./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dnet.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a4b864-8f67-40c0-85c9-6895dbeaf6a2/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a4b864-8f67-40c0-85c9-6895dbeaf6a2/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a4b864-8f67-40c0-85c9-6895dbeaf6a2/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a4b864-8f67-40c0-85c9-6895dbeaf6a2/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dnet.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a4b864-8f67-40c0-85c9-6895dbeaf6a2/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a4b864-8f67-40c0-85c9-6895dbeaf6a2/bin/uautomizer-uyxdKDjOR8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash fbb6aba39a63540626ae26255eab93a5f2c0864f87ba11cb320579066e7aefd2 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 12:30:57,261 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 12:30:57,263 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 12:30:57,287 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 12:30:57,287 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 12:30:57,289 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 12:30:57,291 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 12:30:57,294 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 12:30:57,296 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 12:30:57,297 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 12:30:57,299 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 12:30:57,301 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 12:30:57,301 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 12:30:57,303 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 12:30:57,305 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 12:30:57,306 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 12:30:57,308 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 12:30:57,309 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 12:30:57,312 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 12:30:57,315 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 12:30:57,317 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 12:30:57,319 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 12:30:57,320 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 12:30:57,322 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 12:30:57,328 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 12:30:57,329 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 12:30:57,329 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 12:30:57,330 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 12:30:57,331 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 12:30:57,333 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 12:30:57,333 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 12:30:57,334 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 12:30:57,335 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 12:30:57,336 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 12:30:57,337 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 12:30:57,337 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 12:30:57,338 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 12:30:57,338 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 12:30:57,338 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 12:30:57,338 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 12:30:57,339 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 12:30:57,340 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a4b864-8f67-40c0-85c9-6895dbeaf6a2/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-12-13 12:30:57,371 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 12:30:57,371 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 12:30:57,372 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 12:30:57,372 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 12:30:57,373 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 12:30:57,373 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 12:30:57,373 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 12:30:57,374 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 12:30:57,374 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 12:30:57,374 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 12:30:57,374 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 12:30:57,374 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 12:30:57,374 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 12:30:57,375 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 12:30:57,375 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 12:30:57,375 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 12:30:57,375 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 12:30:57,375 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 12:30:57,375 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 12:30:57,376 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 12:30:57,376 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 12:30:57,376 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 12:30:57,376 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 12:30:57,376 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 12:30:57,376 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 12:30:57,376 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 12:30:57,377 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 12:30:57,377 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 12:30:57,377 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 12:30:57,377 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 12:30:57,377 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 12:30:57,377 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 12:30:57,377 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a4b864-8f67-40c0-85c9-6895dbeaf6a2/bin/uautomizer-uyxdKDjOR8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a4b864-8f67-40c0-85c9-6895dbeaf6a2/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fbb6aba39a63540626ae26255eab93a5f2c0864f87ba11cb320579066e7aefd2 [2022-12-13 12:30:57,614 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 12:30:57,634 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 12:30:57,636 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 12:30:57,637 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 12:30:57,638 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 12:30:57,639 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a4b864-8f67-40c0-85c9-6895dbeaf6a2/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dnet.cil.i [2022-12-13 12:31:00,197 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 12:31:00,611 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 12:31:00,611 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a4b864-8f67-40c0-85c9-6895dbeaf6a2/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dnet.cil.i [2022-12-13 12:31:00,646 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a4b864-8f67-40c0-85c9-6895dbeaf6a2/bin/uautomizer-uyxdKDjOR8/data/06f51df83/fbe3a505f5ef4fdbb81ff26e7fdacd8a/FLAGc1e5dcc4f [2022-12-13 12:31:00,660 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a4b864-8f67-40c0-85c9-6895dbeaf6a2/bin/uautomizer-uyxdKDjOR8/data/06f51df83/fbe3a505f5ef4fdbb81ff26e7fdacd8a [2022-12-13 12:31:00,662 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 12:31:00,663 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 12:31:00,665 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 12:31:00,665 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 12:31:00,668 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 12:31:00,669 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 12:31:00" (1/1) ... [2022-12-13 12:31:00,670 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f0fba8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:31:00, skipping insertion in model container [2022-12-13 12:31:00,670 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 12:31:00" (1/1) ... [2022-12-13 12:31:00,678 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 12:31:00,782 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 12:31:01,268 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-13 12:31:01,301 WARN L623 FunctionHandler]: Unknown extern function ioremap_nocache [2022-12-13 12:31:01,347 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 12:31:01,374 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-12-13 12:31:01,385 WARN L623 FunctionHandler]: Unknown extern function skb_tstamp_tx [2022-12-13 12:31:01,389 WARN L623 FunctionHandler]: Unknown extern function skb_clone_tx_timestamp [2022-12-13 12:31:01,415 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-12-13 12:31:01,418 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-13 12:31:01,460 WARN L623 FunctionHandler]: Unknown extern function netpoll_trap [2022-12-13 12:31:01,461 WARN L623 FunctionHandler]: Unknown extern function __netif_schedule [2022-12-13 12:31:01,469 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 12:31:01,470 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:31:01,531 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-12-13 12:31:01,578 WARN L623 FunctionHandler]: Unknown extern function get_random_bytes [2022-12-13 12:31:01,588 WARN L623 FunctionHandler]: Unknown extern function mdiobus_alloc_size [2022-12-13 12:31:01,602 WARN L623 FunctionHandler]: Unknown extern function mdiobus_write [2022-12-13 12:31:01,628 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 12:31:01,632 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 12:31:01,648 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:31:01,654 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:31:01,664 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:31:01,666 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:31:01,667 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:31:01,672 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:31:01,673 WARN L623 FunctionHandler]: Unknown extern function phy_connect [2022-12-13 12:31:01,674 WARN L623 FunctionHandler]: Unknown extern function phy_connect [2022-12-13 12:31:01,674 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:31:01,682 WARN L623 FunctionHandler]: Unknown extern function mdiobus_register [2022-12-13 12:31:01,683 WARN L623 FunctionHandler]: Unknown extern function mdiobus_unregister [2022-12-13 12:31:01,683 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 12:31:01,684 WARN L623 FunctionHandler]: Unknown extern function mdiobus_free [2022-12-13 12:31:01,692 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 12:31:01,694 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 12:31:01,699 WARN L623 FunctionHandler]: Unknown extern function napi_complete [2022-12-13 12:31:01,700 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:31:01,701 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-13 12:31:01,702 WARN L623 FunctionHandler]: Unknown extern function eth_type_trans [2022-12-13 12:31:01,702 WARN L623 FunctionHandler]: Unknown extern function netif_receive_skb [2022-12-13 12:31:01,702 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:31:01,703 WARN L623 FunctionHandler]: Unknown extern function napi_complete [2022-12-13 12:31:01,708 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:31:01,709 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 12:31:01,710 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:31:01,710 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 12:31:01,711 WARN L623 FunctionHandler]: Unknown extern function __napi_schedule [2022-12-13 12:31:01,712 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:31:01,718 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:31:01,721 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-13 12:31:01,725 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-13 12:31:01,734 WARN L623 FunctionHandler]: Unknown extern function phy_start_aneg [2022-12-13 12:31:01,734 WARN L623 FunctionHandler]: Unknown extern function phy_start [2022-12-13 12:31:01,738 WARN L623 FunctionHandler]: Unknown extern function phy_stop [2022-12-13 12:31:01,739 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-13 12:31:01,744 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:31:01,746 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:31:01,747 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:31:01,748 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:31:01,749 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:31:01,750 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:31:01,751 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:31:01,752 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:31:01,754 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:31:01,755 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:31:01,756 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:31:01,757 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:31:01,758 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:31:01,759 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:31:01,760 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:31:01,761 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:31:01,763 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:31:01,764 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:31:01,765 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:31:01,766 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:31:01,767 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:31:01,768 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:31:01,769 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:31:01,770 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:31:01,771 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:31:01,772 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:31:01,774 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:31:01,784 WARN L623 FunctionHandler]: Unknown extern function phy_ethtool_gset [2022-12-13 12:31:01,788 WARN L623 FunctionHandler]: Unknown extern function phy_ethtool_sset [2022-12-13 12:31:01,792 WARN L623 FunctionHandler]: Unknown extern function phy_mii_ioctl [2022-12-13 12:31:01,796 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-13 12:31:01,796 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-13 12:31:01,797 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-13 12:31:01,802 WARN L623 FunctionHandler]: Unknown extern function platform_get_resource [2022-12-13 12:31:01,802 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 12:31:01,803 WARN L623 FunctionHandler]: Unknown extern function platform_get_irq [2022-12-13 12:31:01,803 WARN L623 FunctionHandler]: Unknown extern function __request_region [2022-12-13 12:31:01,804 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 12:31:01,805 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 12:31:01,805 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 12:31:01,806 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 12:31:01,806 WARN L623 FunctionHandler]: Unknown extern function netif_napi_add [2022-12-13 12:31:01,807 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 12:31:01,808 WARN L623 FunctionHandler]: Unknown extern function phy_register_fixup_for_uid [2022-12-13 12:31:01,808 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-13 12:31:01,808 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-13 12:31:01,809 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-13 12:31:01,810 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-13 12:31:01,811 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-12-13 12:31:01,811 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-13 12:31:01,816 WARN L623 FunctionHandler]: Unknown extern function phy_disconnect [2022-12-13 12:31:01,816 WARN L623 FunctionHandler]: Unknown extern function mdiobus_unregister [2022-12-13 12:31:01,816 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 12:31:01,816 WARN L623 FunctionHandler]: Unknown extern function mdiobus_free [2022-12-13 12:31:01,817 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-12-13 12:31:02,062 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 12:31:02,063 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 12:31:02,063 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 12:31:02,063 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 12:31:02,063 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 12:31:02,064 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 12:31:02,064 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 12:31:02,064 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 12:31:02,064 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 12:31:02,065 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 12:31:02,066 WARN L623 FunctionHandler]: Unknown extern function eth_change_mtu [2022-12-13 12:31:02,066 WARN L623 FunctionHandler]: Unknown extern function eth_mac_addr [2022-12-13 12:31:02,067 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-12-13 12:31:02,068 WARN L623 FunctionHandler]: Unknown extern function ethtool_op_get_link [2022-12-13 12:31:02,068 WARN L623 FunctionHandler]: Unknown extern function ethtool_op_get_ts_info [2022-12-13 12:31:02,069 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-13 12:31:02,074 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-12-13 12:31:02,075 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-12-13 12:31:02,080 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-12-13 12:31:02,093 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_register_netdev [2022-12-13 12:31:02,098 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 12:31:02,099 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 12:31:02,099 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 12:31:02,099 WARN L623 FunctionHandler]: Unknown extern function alloc_etherdev_mqs [2022-12-13 12:31:02,100 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-12-13 12:31:02,101 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-12-13 12:31:02,101 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-13 12:31:02,102 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-13 12:31:02,102 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-12-13 12:31:02,102 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-13 12:31:02,103 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-13 12:31:02,103 WARN L623 FunctionHandler]: Unknown extern function __platform_driver_register [2022-12-13 12:31:02,103 WARN L623 FunctionHandler]: Unknown extern function platform_driver_unregister [2022-12-13 12:31:02,139 WARN L623 FunctionHandler]: Unknown extern function ldv_check_alloc_flags [2022-12-13 12:31:02,139 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-13 12:31:02,145 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 12:31:02,556 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a4b864-8f67-40c0-85c9-6895dbeaf6a2/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dnet.cil.i[305216,305229] [2022-12-13 12:31:02,559 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a4b864-8f67-40c0-85c9-6895dbeaf6a2/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dnet.cil.i[305385,305398] [2022-12-13 12:31:02,559 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a4b864-8f67-40c0-85c9-6895dbeaf6a2/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dnet.cil.i[305552,305565] [2022-12-13 12:31:02,560 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a4b864-8f67-40c0-85c9-6895dbeaf6a2/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dnet.cil.i[305720,305733] [2022-12-13 12:31:02,560 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 12:31:02,561 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 12:31:02,562 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 12:31:02,562 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 12:31:02,569 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 12:31:02,570 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 12:31:02,571 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 12:31:02,572 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 12:31:02,573 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 12:31:02,605 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 12:31:02,680 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-13 12:31:02,681 WARN L623 FunctionHandler]: Unknown extern function ioremap_nocache [2022-12-13 12:31:02,683 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 12:31:02,684 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-12-13 12:31:02,685 WARN L623 FunctionHandler]: Unknown extern function skb_tstamp_tx [2022-12-13 12:31:02,685 WARN L623 FunctionHandler]: Unknown extern function skb_clone_tx_timestamp [2022-12-13 12:31:02,687 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-12-13 12:31:02,687 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-13 12:31:02,689 WARN L623 FunctionHandler]: Unknown extern function netpoll_trap [2022-12-13 12:31:02,690 WARN L623 FunctionHandler]: Unknown extern function __netif_schedule [2022-12-13 12:31:02,690 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 12:31:02,691 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:31:02,692 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-12-13 12:31:02,693 WARN L623 FunctionHandler]: Unknown extern function get_random_bytes [2022-12-13 12:31:02,693 WARN L623 FunctionHandler]: Unknown extern function mdiobus_alloc_size [2022-12-13 12:31:02,694 WARN L623 FunctionHandler]: Unknown extern function mdiobus_write [2022-12-13 12:31:02,694 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 12:31:02,695 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 12:31:02,700 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:31:02,701 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:31:02,704 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:31:02,706 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:31:02,707 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:31:02,711 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:31:02,712 WARN L623 FunctionHandler]: Unknown extern function phy_connect [2022-12-13 12:31:02,712 WARN L623 FunctionHandler]: Unknown extern function phy_connect [2022-12-13 12:31:02,712 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:31:02,717 WARN L623 FunctionHandler]: Unknown extern function mdiobus_register [2022-12-13 12:31:02,717 WARN L623 FunctionHandler]: Unknown extern function mdiobus_unregister [2022-12-13 12:31:02,717 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 12:31:02,717 WARN L623 FunctionHandler]: Unknown extern function mdiobus_free [2022-12-13 12:31:02,718 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 12:31:02,719 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 12:31:02,721 WARN L623 FunctionHandler]: Unknown extern function napi_complete [2022-12-13 12:31:02,722 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:31:02,722 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-13 12:31:02,723 WARN L623 FunctionHandler]: Unknown extern function eth_type_trans [2022-12-13 12:31:02,723 WARN L623 FunctionHandler]: Unknown extern function netif_receive_skb [2022-12-13 12:31:02,724 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:31:02,724 WARN L623 FunctionHandler]: Unknown extern function napi_complete [2022-12-13 12:31:02,726 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:31:02,726 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 12:31:02,727 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:31:02,727 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 12:31:02,728 WARN L623 FunctionHandler]: Unknown extern function __napi_schedule [2022-12-13 12:31:02,729 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:31:02,731 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:31:02,733 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-13 12:31:02,734 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-13 12:31:02,735 WARN L623 FunctionHandler]: Unknown extern function phy_start_aneg [2022-12-13 12:31:02,735 WARN L623 FunctionHandler]: Unknown extern function phy_start [2022-12-13 12:31:02,736 WARN L623 FunctionHandler]: Unknown extern function phy_stop [2022-12-13 12:31:02,736 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-13 12:31:02,738 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:31:02,739 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:31:02,741 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:31:02,742 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:31:02,743 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:31:02,744 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:31:02,745 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:31:02,746 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:31:02,747 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:31:02,748 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:31:02,749 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:31:02,750 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:31:02,751 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:31:02,751 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:31:02,752 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:31:02,753 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:31:02,753 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:31:02,754 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:31:02,755 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:31:02,756 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:31:02,757 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:31:02,758 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:31:02,759 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:31:02,759 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:31:02,760 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:31:02,761 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:31:02,762 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:31:02,765 WARN L623 FunctionHandler]: Unknown extern function phy_ethtool_gset [2022-12-13 12:31:02,766 WARN L623 FunctionHandler]: Unknown extern function phy_ethtool_sset [2022-12-13 12:31:02,766 WARN L623 FunctionHandler]: Unknown extern function phy_mii_ioctl [2022-12-13 12:31:02,766 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-13 12:31:02,767 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-13 12:31:02,767 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-13 12:31:02,769 WARN L623 FunctionHandler]: Unknown extern function platform_get_resource [2022-12-13 12:31:02,769 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 12:31:02,770 WARN L623 FunctionHandler]: Unknown extern function platform_get_irq [2022-12-13 12:31:02,770 WARN L623 FunctionHandler]: Unknown extern function __request_region [2022-12-13 12:31:02,770 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 12:31:02,784 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 12:31:02,785 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 12:31:02,785 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 12:31:02,786 WARN L623 FunctionHandler]: Unknown extern function netif_napi_add [2022-12-13 12:31:02,787 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 12:31:02,787 WARN L623 FunctionHandler]: Unknown extern function phy_register_fixup_for_uid [2022-12-13 12:31:02,787 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-13 12:31:02,788 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-13 12:31:02,788 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-13 12:31:02,789 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-13 12:31:02,790 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-12-13 12:31:02,790 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-13 12:31:02,791 WARN L623 FunctionHandler]: Unknown extern function phy_disconnect [2022-12-13 12:31:02,791 WARN L623 FunctionHandler]: Unknown extern function mdiobus_unregister [2022-12-13 12:31:02,791 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 12:31:02,792 WARN L623 FunctionHandler]: Unknown extern function mdiobus_free [2022-12-13 12:31:02,792 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-12-13 12:31:02,796 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 12:31:02,797 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 12:31:02,797 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 12:31:02,797 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 12:31:02,797 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 12:31:02,797 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 12:31:02,798 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 12:31:02,798 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 12:31:02,798 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 12:31:02,798 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 12:31:02,799 WARN L623 FunctionHandler]: Unknown extern function eth_change_mtu [2022-12-13 12:31:02,800 WARN L623 FunctionHandler]: Unknown extern function eth_mac_addr [2022-12-13 12:31:02,800 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-12-13 12:31:02,801 WARN L623 FunctionHandler]: Unknown extern function ethtool_op_get_link [2022-12-13 12:31:02,801 WARN L623 FunctionHandler]: Unknown extern function ethtool_op_get_ts_info [2022-12-13 12:31:02,802 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-13 12:31:02,804 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-12-13 12:31:02,804 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-12-13 12:31:02,807 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-12-13 12:31:02,836 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_register_netdev [2022-12-13 12:31:02,844 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 12:31:02,844 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 12:31:02,845 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 12:31:02,845 WARN L623 FunctionHandler]: Unknown extern function alloc_etherdev_mqs [2022-12-13 12:31:02,845 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-12-13 12:31:02,846 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-12-13 12:31:02,846 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-13 12:31:02,846 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-13 12:31:02,846 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-12-13 12:31:02,847 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-13 12:31:02,847 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-13 12:31:02,847 WARN L623 FunctionHandler]: Unknown extern function __platform_driver_register [2022-12-13 12:31:02,847 WARN L623 FunctionHandler]: Unknown extern function platform_driver_unregister [2022-12-13 12:31:02,849 WARN L623 FunctionHandler]: Unknown extern function ldv_check_alloc_flags [2022-12-13 12:31:02,850 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-13 12:31:02,850 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 12:31:02,864 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a4b864-8f67-40c0-85c9-6895dbeaf6a2/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dnet.cil.i[305216,305229] [2022-12-13 12:31:02,864 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a4b864-8f67-40c0-85c9-6895dbeaf6a2/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dnet.cil.i[305385,305398] [2022-12-13 12:31:02,864 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a4b864-8f67-40c0-85c9-6895dbeaf6a2/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dnet.cil.i[305552,305565] [2022-12-13 12:31:02,865 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a4b864-8f67-40c0-85c9-6895dbeaf6a2/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dnet.cil.i[305720,305733] [2022-12-13 12:31:02,865 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 12:31:02,867 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 12:31:02,867 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 12:31:02,868 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 12:31:02,868 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 12:31:02,869 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 12:31:02,869 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 12:31:02,870 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 12:31:02,871 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 12:31:02,977 INFO L208 MainTranslator]: Completed translation [2022-12-13 12:31:02,977 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:31:02 WrapperNode [2022-12-13 12:31:02,977 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 12:31:02,978 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 12:31:02,978 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 12:31:02,978 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 12:31:02,983 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:31:02" (1/1) ... [2022-12-13 12:31:03,030 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:31:02" (1/1) ... [2022-12-13 12:31:03,115 INFO L138 Inliner]: procedures = 411, calls = 1985, calls flagged for inlining = 210, calls inlined = 187, statements flattened = 4396 [2022-12-13 12:31:03,115 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 12:31:03,115 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 12:31:03,115 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 12:31:03,116 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 12:31:03,123 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:31:02" (1/1) ... [2022-12-13 12:31:03,123 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:31:02" (1/1) ... [2022-12-13 12:31:03,136 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:31:02" (1/1) ... [2022-12-13 12:31:03,136 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:31:02" (1/1) ... [2022-12-13 12:31:03,206 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:31:02" (1/1) ... [2022-12-13 12:31:03,214 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:31:02" (1/1) ... [2022-12-13 12:31:03,225 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:31:02" (1/1) ... [2022-12-13 12:31:03,234 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:31:02" (1/1) ... [2022-12-13 12:31:03,249 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 12:31:03,249 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 12:31:03,250 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 12:31:03,250 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 12:31:03,250 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:31:02" (1/1) ... [2022-12-13 12:31:03,255 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 12:31:03,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a4b864-8f67-40c0-85c9-6895dbeaf6a2/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:31:03,273 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a4b864-8f67-40c0-85c9-6895dbeaf6a2/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 12:31:03,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a4b864-8f67-40c0-85c9-6895dbeaf6a2/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 12:31:03,307 INFO L130 BoogieDeclarations]: Found specification of procedure dnet_probe [2022-12-13 12:31:03,307 INFO L138 BoogieDeclarations]: Found implementation of procedure dnet_probe [2022-12-13 12:31:03,307 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-12-13 12:31:03,307 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-12-13 12:31:03,307 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-13 12:31:03,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-13 12:31:03,307 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-12-13 12:31:03,307 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-12-13 12:31:03,307 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-12-13 12:31:03,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-12-13 12:31:03,307 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-12-13 12:31:03,307 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-12-13 12:31:03,307 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_61 [2022-12-13 12:31:03,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_61 [2022-12-13 12:31:03,307 INFO L130 BoogieDeclarations]: Found specification of procedure __dnet_set_hwaddr [2022-12-13 12:31:03,307 INFO L138 BoogieDeclarations]: Found implementation of procedure __dnet_set_hwaddr [2022-12-13 12:31:03,307 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-12-13 12:31:03,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-12-13 12:31:03,308 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-12-13 12:31:03,308 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-12-13 12:31:03,308 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-12-13 12:31:03,308 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-12-13 12:31:03,308 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-12-13 12:31:03,308 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-12-13 12:31:03,308 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-12-13 12:31:03,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-12-13 12:31:03,308 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 12:31:03,308 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-12-13 12:31:03,308 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-12-13 12:31:03,308 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-12-13 12:31:03,308 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-12-13 12:31:03,308 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-12-13 12:31:03,308 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2022-12-13 12:31:03,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2022-12-13 12:31:03,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-13 12:31:03,308 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-12-13 12:31:03,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-12-13 12:31:03,308 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 12:31:03,308 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-12-13 12:31:03,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-12-13 12:31:03,309 INFO L130 BoogieDeclarations]: Found specification of procedure dnet_reset_hw [2022-12-13 12:31:03,309 INFO L138 BoogieDeclarations]: Found implementation of procedure dnet_reset_hw [2022-12-13 12:31:03,309 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-12-13 12:31:03,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-12-13 12:31:03,309 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-13 12:31:03,309 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-12-13 12:31:03,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-12-13 12:31:03,309 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-12-13 12:31:03,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-12-13 12:31:03,309 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-12-13 12:31:03,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-12-13 12:31:03,309 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 12:31:03,309 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-12-13 12:31:03,309 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-12-13 12:31:03,309 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-12-13 12:31:03,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-12-13 12:31:03,309 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-12-13 12:31:03,309 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-12-13 12:31:03,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-13 12:31:03,309 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-12-13 12:31:03,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-12-13 12:31:03,309 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-12-13 12:31:03,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-12-13 12:31:03,310 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-12-13 12:31:03,310 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-12-13 12:31:03,310 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-12-13 12:31:03,310 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-12-13 12:31:03,310 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-12-13 12:31:03,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-12-13 12:31:03,310 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2022-12-13 12:31:03,310 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2022-12-13 12:31:03,310 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-12-13 12:31:03,310 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-12-13 12:31:03,310 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-12-13 12:31:03,310 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-12-13 12:31:03,310 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 12:31:03,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 12:31:03,310 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-12-13 12:31:03,310 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-12-13 12:31:03,310 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_free [2022-12-13 12:31:03,310 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_free [2022-12-13 12:31:03,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-12-13 12:31:03,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-13 12:31:03,311 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-12-13 12:31:03,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-12-13 12:31:03,311 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_unregister [2022-12-13 12:31:03,311 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_unregister [2022-12-13 12:31:03,311 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-12-13 12:31:03,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-12-13 12:31:03,311 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_dnet [2022-12-13 12:31:03,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_dnet [2022-12-13 12:31:03,311 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-12-13 12:31:03,311 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-12-13 12:31:03,311 INFO L130 BoogieDeclarations]: Found specification of procedure dnet_readw_mac [2022-12-13 12:31:03,311 INFO L138 BoogieDeclarations]: Found implementation of procedure dnet_readw_mac [2022-12-13 12:31:03,311 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 12:31:03,311 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-13 12:31:03,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-13 12:31:03,311 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-12-13 12:31:03,311 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-12-13 12:31:03,311 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-12-13 12:31:03,311 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-12-13 12:31:03,311 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-12-13 12:31:03,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-12-13 12:31:03,311 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-12-13 12:31:03,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-12-13 12:31:03,312 INFO L130 BoogieDeclarations]: Found specification of procedure dnet_close [2022-12-13 12:31:03,312 INFO L138 BoogieDeclarations]: Found implementation of procedure dnet_close [2022-12-13 12:31:03,312 INFO L130 BoogieDeclarations]: Found specification of procedure __be16_to_cpup [2022-12-13 12:31:03,312 INFO L138 BoogieDeclarations]: Found implementation of procedure __be16_to_cpup [2022-12-13 12:31:03,312 INFO L130 BoogieDeclarations]: Found specification of procedure dnet_handle_link_change [2022-12-13 12:31:03,312 INFO L138 BoogieDeclarations]: Found implementation of procedure dnet_handle_link_change [2022-12-13 12:31:03,312 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-12-13 12:31:03,312 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-12-13 12:31:03,312 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-12-13 12:31:03,312 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-12-13 12:31:03,312 INFO L130 BoogieDeclarations]: Found specification of procedure dnet_writew_mac [2022-12-13 12:31:03,312 INFO L138 BoogieDeclarations]: Found implementation of procedure dnet_writew_mac [2022-12-13 12:31:03,312 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-12-13 12:31:03,312 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-12-13 12:31:03,312 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-12-13 12:31:03,312 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-12-13 12:31:03,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 12:31:03,312 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-12-13 12:31:03,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-12-13 12:31:03,312 INFO L130 BoogieDeclarations]: Found specification of procedure dnet_remove [2022-12-13 12:31:03,312 INFO L138 BoogieDeclarations]: Found implementation of procedure dnet_remove [2022-12-13 12:31:03,313 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-12-13 12:31:03,313 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-12-13 12:31:03,313 INFO L130 BoogieDeclarations]: Found specification of procedure dnet_open [2022-12-13 12:31:03,313 INFO L138 BoogieDeclarations]: Found implementation of procedure dnet_open [2022-12-13 12:31:03,313 INFO L130 BoogieDeclarations]: Found specification of procedure phy_connect [2022-12-13 12:31:03,313 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_connect [2022-12-13 12:31:03,313 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-12-13 12:31:03,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-12-13 12:31:03,313 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-12-13 12:31:03,313 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-12-13 12:31:03,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 12:31:03,313 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-12-13 12:31:03,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-12-13 12:31:03,313 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2022-12-13 12:31:03,313 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2022-12-13 12:31:03,821 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 12:31:03,824 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 12:31:04,437 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-12-13 12:31:08,825 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-12-13 12:31:08,888 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 12:31:08,902 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 12:31:08,902 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-13 12:31:08,905 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 12:31:08 BoogieIcfgContainer [2022-12-13 12:31:08,906 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 12:31:08,908 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 12:31:08,908 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 12:31:08,911 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 12:31:08,911 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 12:31:00" (1/3) ... [2022-12-13 12:31:08,912 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7dac7d5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 12:31:08, skipping insertion in model container [2022-12-13 12:31:08,912 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:31:02" (2/3) ... [2022-12-13 12:31:08,912 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7dac7d5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 12:31:08, skipping insertion in model container [2022-12-13 12:31:08,913 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 12:31:08" (3/3) ... [2022-12-13 12:31:08,914 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dnet.cil.i [2022-12-13 12:31:08,931 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 12:31:08,932 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-12-13 12:31:09,005 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 12:31:09,011 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@de99377, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 12:31:09,011 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-12-13 12:31:09,020 INFO L276 IsEmpty]: Start isEmpty. Operand has 1360 states, 971 states have (on average 1.2615859938208034) internal successors, (1225), 984 states have internal predecessors, (1225), 324 states have call successors, (324), 63 states have call predecessors, (324), 62 states have return successors, (317), 315 states have call predecessors, (317), 317 states have call successors, (317) [2022-12-13 12:31:09,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-12-13 12:31:09,034 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:31:09,034 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:31:09,035 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 12:31:09,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:31:09,040 INFO L85 PathProgramCache]: Analyzing trace with hash 1164237382, now seen corresponding path program 1 times [2022-12-13 12:31:09,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:31:09,049 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [576113202] [2022-12-13 12:31:09,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:31:09,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:31:09,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:09,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 12:31:09,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:09,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:31:09,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:09,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 12:31:09,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:09,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:31:09,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:09,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 12:31:09,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:09,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:31:09,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:09,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 12:31:09,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:09,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:31:09,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:09,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 12:31:09,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:09,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:31:09,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:09,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 12:31:09,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:09,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:31:09,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:09,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 12:31:09,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:09,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:31:09,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:09,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 12:31:09,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:09,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:31:09,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:09,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 12:31:09,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:09,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:31:09,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:09,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 12:31:09,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:09,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:31:09,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:09,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-12-13 12:31:09,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:09,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-12-13 12:31:09,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:09,812 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2022-12-13 12:31:09,813 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:31:09,813 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [576113202] [2022-12-13 12:31:09,814 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [576113202] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:31:09,814 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:31:09,814 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 12:31:09,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1742083327] [2022-12-13 12:31:09,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:31:09,820 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 12:31:09,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:31:09,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 12:31:09,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 12:31:09,855 INFO L87 Difference]: Start difference. First operand has 1360 states, 971 states have (on average 1.2615859938208034) internal successors, (1225), 984 states have internal predecessors, (1225), 324 states have call successors, (324), 63 states have call predecessors, (324), 62 states have return successors, (317), 315 states have call predecessors, (317), 317 states have call successors, (317) Second operand has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2022-12-13 12:31:12,760 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:31:15,611 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:31:16,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:31:16,761 INFO L93 Difference]: Finished difference Result 3974 states and 5602 transitions. [2022-12-13 12:31:16,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 12:31:16,763 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 134 [2022-12-13 12:31:16,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:31:16,784 INFO L225 Difference]: With dead ends: 3974 [2022-12-13 12:31:16,784 INFO L226 Difference]: Without dead ends: 2627 [2022-12-13 12:31:16,794 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 12:31:16,797 INFO L413 NwaCegarLoop]: 1597 mSDtfsCounter, 2205 mSDsluCounter, 2044 mSDsCounter, 0 mSdLazyCounter, 1725 mSolverCounterSat, 745 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2492 SdHoareTripleChecker+Valid, 3641 SdHoareTripleChecker+Invalid, 2472 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 745 IncrementalHoareTripleChecker+Valid, 1725 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2022-12-13 12:31:16,798 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2492 Valid, 3641 Invalid, 2472 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [745 Valid, 1725 Invalid, 2 Unknown, 0 Unchecked, 6.6s Time] [2022-12-13 12:31:16,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2627 states. [2022-12-13 12:31:16,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2627 to 2599. [2022-12-13 12:31:17,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2599 states, 1876 states have (on average 1.2569296375266525) internal successors, (2358), 1900 states have internal predecessors, (2358), 599 states have call successors, (599), 122 states have call predecessors, (599), 121 states have return successors, (596), 592 states have call predecessors, (596), 596 states have call successors, (596) [2022-12-13 12:31:17,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2599 states to 2599 states and 3553 transitions. [2022-12-13 12:31:17,017 INFO L78 Accepts]: Start accepts. Automaton has 2599 states and 3553 transitions. Word has length 134 [2022-12-13 12:31:17,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:31:17,017 INFO L495 AbstractCegarLoop]: Abstraction has 2599 states and 3553 transitions. [2022-12-13 12:31:17,018 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2022-12-13 12:31:17,018 INFO L276 IsEmpty]: Start isEmpty. Operand 2599 states and 3553 transitions. [2022-12-13 12:31:17,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2022-12-13 12:31:17,020 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:31:17,020 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:31:17,021 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 12:31:17,021 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 12:31:17,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:31:17,021 INFO L85 PathProgramCache]: Analyzing trace with hash 362707567, now seen corresponding path program 1 times [2022-12-13 12:31:17,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:31:17,022 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1016750340] [2022-12-13 12:31:17,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:31:17,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:31:17,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:17,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 12:31:17,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:17,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:31:17,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:17,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 12:31:17,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:17,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:31:17,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:17,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 12:31:17,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:17,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:31:17,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:17,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 12:31:17,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:17,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:31:17,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:17,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 12:31:17,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:17,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:31:17,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:17,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 12:31:17,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:17,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:31:17,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:17,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 12:31:17,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:17,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:31:17,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:17,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 12:31:17,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:17,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:31:17,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:17,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 12:31:17,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:17,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:31:17,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:17,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 12:31:17,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:17,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:31:17,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:17,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-12-13 12:31:17,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:17,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-12-13 12:31:17,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:17,362 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2022-12-13 12:31:17,362 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:31:17,362 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1016750340] [2022-12-13 12:31:17,362 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1016750340] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:31:17,362 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:31:17,362 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 12:31:17,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915128732] [2022-12-13 12:31:17,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:31:17,363 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 12:31:17,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:31:17,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 12:31:17,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 12:31:17,364 INFO L87 Difference]: Start difference. First operand 2599 states and 3553 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 3 states have internal predecessors, (36), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2022-12-13 12:31:20,068 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:31:22,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:31:22,011 INFO L93 Difference]: Finished difference Result 7597 states and 10577 transitions. [2022-12-13 12:31:22,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 12:31:22,011 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 3 states have internal predecessors, (36), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 138 [2022-12-13 12:31:22,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:31:22,039 INFO L225 Difference]: With dead ends: 7597 [2022-12-13 12:31:22,040 INFO L226 Difference]: Without dead ends: 5023 [2022-12-13 12:31:22,046 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 12:31:22,046 INFO L413 NwaCegarLoop]: 1717 mSDtfsCounter, 2106 mSDsluCounter, 2160 mSDsCounter, 0 mSdLazyCounter, 1716 mSolverCounterSat, 760 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2344 SdHoareTripleChecker+Valid, 3877 SdHoareTripleChecker+Invalid, 2477 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 760 IncrementalHoareTripleChecker+Valid, 1716 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2022-12-13 12:31:22,047 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2344 Valid, 3877 Invalid, 2477 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [760 Valid, 1716 Invalid, 1 Unknown, 0 Unchecked, 4.4s Time] [2022-12-13 12:31:22,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5023 states. [2022-12-13 12:31:22,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5023 to 4968. [2022-12-13 12:31:22,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4968 states, 3606 states have (on average 1.257071547420965) internal successors, (4533), 3660 states have internal predecessors, (4533), 1114 states have call successors, (1114), 242 states have call predecessors, (1114), 245 states have return successors, (1303), 1095 states have call predecessors, (1303), 1111 states have call successors, (1303) [2022-12-13 12:31:22,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4968 states to 4968 states and 6950 transitions. [2022-12-13 12:31:22,219 INFO L78 Accepts]: Start accepts. Automaton has 4968 states and 6950 transitions. Word has length 138 [2022-12-13 12:31:22,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:31:22,220 INFO L495 AbstractCegarLoop]: Abstraction has 4968 states and 6950 transitions. [2022-12-13 12:31:22,220 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 3 states have internal predecessors, (36), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2022-12-13 12:31:22,220 INFO L276 IsEmpty]: Start isEmpty. Operand 4968 states and 6950 transitions. [2022-12-13 12:31:22,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2022-12-13 12:31:22,223 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:31:22,223 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:31:22,223 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 12:31:22,224 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 12:31:22,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:31:22,224 INFO L85 PathProgramCache]: Analyzing trace with hash -1851484636, now seen corresponding path program 1 times [2022-12-13 12:31:22,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:31:22,224 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [636566856] [2022-12-13 12:31:22,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:31:22,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:31:22,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:22,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 12:31:22,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:22,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:31:22,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:22,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 12:31:22,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:22,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:31:22,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:22,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 12:31:22,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:22,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:31:22,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:22,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 12:31:22,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:22,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:31:22,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:22,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 12:31:22,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:22,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:31:22,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:22,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 12:31:22,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:22,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:31:22,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:22,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 12:31:22,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:22,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:31:22,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:22,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 12:31:22,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:22,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:31:22,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:22,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 12:31:22,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:22,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:31:22,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:22,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 12:31:22,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:22,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:31:22,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:22,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-12-13 12:31:22,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:22,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-12-13 12:31:22,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:22,561 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2022-12-13 12:31:22,561 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:31:22,561 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [636566856] [2022-12-13 12:31:22,561 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [636566856] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:31:22,561 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:31:22,561 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 12:31:22,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261708022] [2022-12-13 12:31:22,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:31:22,562 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 12:31:22,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:31:22,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 12:31:22,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 12:31:22,563 INFO L87 Difference]: Start difference. First operand 4968 states and 6950 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2022-12-13 12:31:25,516 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:31:27,650 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:31:29,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:31:29,223 INFO L93 Difference]: Finished difference Result 14060 states and 19584 transitions. [2022-12-13 12:31:29,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 12:31:29,223 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 145 [2022-12-13 12:31:29,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:31:29,252 INFO L225 Difference]: With dead ends: 14060 [2022-12-13 12:31:29,252 INFO L226 Difference]: Without dead ends: 9117 [2022-12-13 12:31:29,264 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 12:31:29,265 INFO L413 NwaCegarLoop]: 1531 mSDtfsCounter, 1786 mSDsluCounter, 1908 mSDsCounter, 0 mSdLazyCounter, 1960 mSolverCounterSat, 717 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2045 SdHoareTripleChecker+Valid, 3439 SdHoareTripleChecker+Invalid, 2679 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 717 IncrementalHoareTripleChecker+Valid, 1960 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2022-12-13 12:31:29,266 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2045 Valid, 3439 Invalid, 2679 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [717 Valid, 1960 Invalid, 2 Unknown, 0 Unchecked, 6.4s Time] [2022-12-13 12:31:29,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9117 states. [2022-12-13 12:31:29,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9117 to 9038. [2022-12-13 12:31:29,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9038 states, 6510 states have (on average 1.2440860215053764) internal successors, (8099), 6622 states have internal predecessors, (8099), 2052 states have call successors, (2052), 470 states have call predecessors, (2052), 473 states have return successors, (2249), 2005 states have call predecessors, (2249), 2049 states have call successors, (2249) [2022-12-13 12:31:29,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9038 states to 9038 states and 12400 transitions. [2022-12-13 12:31:29,569 INFO L78 Accepts]: Start accepts. Automaton has 9038 states and 12400 transitions. Word has length 145 [2022-12-13 12:31:29,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:31:29,570 INFO L495 AbstractCegarLoop]: Abstraction has 9038 states and 12400 transitions. [2022-12-13 12:31:29,570 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2022-12-13 12:31:29,570 INFO L276 IsEmpty]: Start isEmpty. Operand 9038 states and 12400 transitions. [2022-12-13 12:31:29,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2022-12-13 12:31:29,572 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:31:29,572 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:31:29,572 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 12:31:29,572 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 12:31:29,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:31:29,573 INFO L85 PathProgramCache]: Analyzing trace with hash -400125244, now seen corresponding path program 1 times [2022-12-13 12:31:29,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:31:29,573 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1881612291] [2022-12-13 12:31:29,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:31:29,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:31:29,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:29,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 12:31:29,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:29,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:31:29,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:29,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 12:31:29,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:29,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:31:29,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:29,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 12:31:29,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:29,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:31:29,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:29,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 12:31:29,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:29,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:31:29,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:29,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 12:31:29,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:29,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:31:29,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:29,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 12:31:29,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:29,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:31:29,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:29,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 12:31:29,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:29,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:31:29,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:29,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 12:31:29,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:29,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:31:29,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:29,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 12:31:29,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:29,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:31:29,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:29,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 12:31:29,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:29,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:31:29,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:29,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-12-13 12:31:29,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:29,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-12-13 12:31:29,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:29,862 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2022-12-13 12:31:29,863 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:31:29,863 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1881612291] [2022-12-13 12:31:29,863 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1881612291] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:31:29,863 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:31:29,863 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 12:31:29,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246859930] [2022-12-13 12:31:29,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:31:29,864 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 12:31:29,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:31:29,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 12:31:29,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 12:31:29,865 INFO L87 Difference]: Start difference. First operand 9038 states and 12400 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2022-12-13 12:31:33,590 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:31:34,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:31:34,394 INFO L93 Difference]: Finished difference Result 24480 states and 33846 transitions. [2022-12-13 12:31:34,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 12:31:34,394 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 153 [2022-12-13 12:31:34,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:31:34,473 INFO L225 Difference]: With dead ends: 24480 [2022-12-13 12:31:34,474 INFO L226 Difference]: Without dead ends: 15467 [2022-12-13 12:31:34,505 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 12:31:34,505 INFO L413 NwaCegarLoop]: 1535 mSDtfsCounter, 1820 mSDsluCounter, 2016 mSDsCounter, 0 mSdLazyCounter, 1690 mSolverCounterSat, 750 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2021 SdHoareTripleChecker+Valid, 3551 SdHoareTripleChecker+Invalid, 2440 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 750 IncrementalHoareTripleChecker+Valid, 1690 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2022-12-13 12:31:34,506 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2021 Valid, 3551 Invalid, 2440 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [750 Valid, 1690 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2022-12-13 12:31:34,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15467 states. [2022-12-13 12:31:35,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15467 to 15340. [2022-12-13 12:31:35,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15340 states, 10954 states have (on average 1.232700383421581) internal successors, (13503), 11166 states have internal predecessors, (13503), 3492 states have call successors, (3492), 896 states have call predecessors, (3492), 891 states have return successors, (4189), 3369 states have call predecessors, (4189), 3489 states have call successors, (4189) [2022-12-13 12:31:35,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15340 states to 15340 states and 21184 transitions. [2022-12-13 12:31:35,249 INFO L78 Accepts]: Start accepts. Automaton has 15340 states and 21184 transitions. Word has length 153 [2022-12-13 12:31:35,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:31:35,249 INFO L495 AbstractCegarLoop]: Abstraction has 15340 states and 21184 transitions. [2022-12-13 12:31:35,250 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2022-12-13 12:31:35,250 INFO L276 IsEmpty]: Start isEmpty. Operand 15340 states and 21184 transitions. [2022-12-13 12:31:35,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2022-12-13 12:31:35,252 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:31:35,252 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 10, 10, 10, 10, 10, 10, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:31:35,252 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 12:31:35,252 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 12:31:35,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:31:35,252 INFO L85 PathProgramCache]: Analyzing trace with hash -964181886, now seen corresponding path program 1 times [2022-12-13 12:31:35,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:31:35,253 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279404829] [2022-12-13 12:31:35,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:31:35,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:31:35,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:35,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 12:31:35,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:35,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:31:35,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:35,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 12:31:35,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:35,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:31:35,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:35,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 12:31:35,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:35,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:31:35,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:35,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 12:31:35,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:35,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:31:35,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:35,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 12:31:35,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:35,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:31:35,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:35,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 12:31:35,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:35,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:31:35,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:35,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 12:31:35,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:35,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:31:35,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:35,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 12:31:35,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:35,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:31:35,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:35,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 12:31:35,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:35,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:31:35,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:35,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 12:31:35,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:35,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:31:35,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:35,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-12-13 12:31:35,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:35,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-12-13 12:31:35,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:35,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-12-13 12:31:35,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:35,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-12-13 12:31:35,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:35,555 INFO L134 CoverageAnalysis]: Checked inductivity of 474 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 468 trivial. 0 not checked. [2022-12-13 12:31:35,555 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:31:35,555 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1279404829] [2022-12-13 12:31:35,555 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1279404829] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:31:35,555 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:31:35,555 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 12:31:35,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630322784] [2022-12-13 12:31:35,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:31:35,556 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 12:31:35,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:31:35,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 12:31:35,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 12:31:35,557 INFO L87 Difference]: Start difference. First operand 15340 states and 21184 transitions. Second operand has 4 states, 4 states have (on average 14.75) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2022-12-13 12:31:39,777 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:31:41,803 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:31:42,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:31:42,621 INFO L93 Difference]: Finished difference Result 29062 states and 40252 transitions. [2022-12-13 12:31:42,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 12:31:42,622 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 169 [2022-12-13 12:31:42,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:31:42,659 INFO L225 Difference]: With dead ends: 29062 [2022-12-13 12:31:42,659 INFO L226 Difference]: Without dead ends: 13747 [2022-12-13 12:31:42,686 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 12:31:42,686 INFO L413 NwaCegarLoop]: 2223 mSDtfsCounter, 1822 mSDsluCounter, 2464 mSDsCounter, 0 mSdLazyCounter, 2130 mSolverCounterSat, 565 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2098 SdHoareTripleChecker+Valid, 4687 SdHoareTripleChecker+Invalid, 2697 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 565 IncrementalHoareTripleChecker+Valid, 2130 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2022-12-13 12:31:42,687 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2098 Valid, 4687 Invalid, 2697 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [565 Valid, 2130 Invalid, 2 Unknown, 0 Unchecked, 6.6s Time] [2022-12-13 12:31:42,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13747 states. [2022-12-13 12:31:43,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13747 to 13655. [2022-12-13 12:31:43,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13655 states, 9859 states have (on average 1.2301450451364235) internal successors, (12128), 10057 states have internal predecessors, (12128), 3002 states have call successors, (3002), 793 states have call predecessors, (3002), 791 states have return successors, (3671), 2886 states have call predecessors, (3671), 2999 states have call successors, (3671) [2022-12-13 12:31:43,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13655 states to 13655 states and 18801 transitions. [2022-12-13 12:31:43,077 INFO L78 Accepts]: Start accepts. Automaton has 13655 states and 18801 transitions. Word has length 169 [2022-12-13 12:31:43,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:31:43,078 INFO L495 AbstractCegarLoop]: Abstraction has 13655 states and 18801 transitions. [2022-12-13 12:31:43,078 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2022-12-13 12:31:43,079 INFO L276 IsEmpty]: Start isEmpty. Operand 13655 states and 18801 transitions. [2022-12-13 12:31:43,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2022-12-13 12:31:43,080 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:31:43,080 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 10, 10, 10, 10, 10, 10, 4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:31:43,081 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 12:31:43,081 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 12:31:43,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:31:43,081 INFO L85 PathProgramCache]: Analyzing trace with hash -9278274, now seen corresponding path program 1 times [2022-12-13 12:31:43,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:31:43,081 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659233439] [2022-12-13 12:31:43,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:31:43,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:31:43,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:43,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 12:31:43,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:43,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:31:43,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:43,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 12:31:43,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:43,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:31:43,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:43,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 12:31:43,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:43,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:31:43,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:43,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 12:31:43,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:43,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:31:43,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:43,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 12:31:43,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:43,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:31:43,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:43,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 12:31:43,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:43,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:31:43,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:43,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 12:31:43,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:43,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:31:43,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:43,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 12:31:43,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:43,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:31:43,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:43,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 12:31:43,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:43,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:31:43,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:43,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 12:31:43,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:43,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:31:43,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:43,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-12-13 12:31:43,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:43,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-12-13 12:31:43,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:43,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-12-13 12:31:43,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:43,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-12-13 12:31:43,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:43,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-12-13 12:31:43,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:43,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:31:43,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:43,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-12-13 12:31:43,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:43,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-12-13 12:31:43,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:43,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-12-13 12:31:43,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:43,331 INFO L134 CoverageAnalysis]: Checked inductivity of 573 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 567 trivial. 0 not checked. [2022-12-13 12:31:43,331 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:31:43,332 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1659233439] [2022-12-13 12:31:43,332 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1659233439] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:31:43,332 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:31:43,332 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 12:31:43,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [432690364] [2022-12-13 12:31:43,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:31:43,333 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 12:31:43,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:31:43,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 12:31:43,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 12:31:43,334 INFO L87 Difference]: Start difference. First operand 13655 states and 18801 transitions. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-12-13 12:31:47,600 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:31:48,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:31:48,246 INFO L93 Difference]: Finished difference Result 40208 states and 55586 transitions. [2022-12-13 12:31:48,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 12:31:48,247 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 186 [2022-12-13 12:31:48,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:31:48,316 INFO L225 Difference]: With dead ends: 40208 [2022-12-13 12:31:48,317 INFO L226 Difference]: Without dead ends: 26647 [2022-12-13 12:31:48,344 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 12:31:48,345 INFO L413 NwaCegarLoop]: 1641 mSDtfsCounter, 2171 mSDsluCounter, 2077 mSDsCounter, 0 mSdLazyCounter, 1729 mSolverCounterSat, 763 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2453 SdHoareTripleChecker+Valid, 3718 SdHoareTripleChecker+Invalid, 2493 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 763 IncrementalHoareTripleChecker+Valid, 1729 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2022-12-13 12:31:48,345 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2453 Valid, 3718 Invalid, 2493 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [763 Valid, 1729 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2022-12-13 12:31:48,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26647 states. [2022-12-13 12:31:49,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26647 to 26505. [2022-12-13 12:31:49,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26505 states, 19182 states have (on average 1.2321447190074029) internal successors, (23635), 19536 states have internal predecessors, (23635), 5787 states have call successors, (5787), 1536 states have call predecessors, (5787), 1533 states have return successors, (7128), 5596 states have call predecessors, (7128), 5784 states have call successors, (7128) [2022-12-13 12:31:49,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26505 states to 26505 states and 36550 transitions. [2022-12-13 12:31:49,188 INFO L78 Accepts]: Start accepts. Automaton has 26505 states and 36550 transitions. Word has length 186 [2022-12-13 12:31:49,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:31:49,189 INFO L495 AbstractCegarLoop]: Abstraction has 26505 states and 36550 transitions. [2022-12-13 12:31:49,189 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-12-13 12:31:49,189 INFO L276 IsEmpty]: Start isEmpty. Operand 26505 states and 36550 transitions. [2022-12-13 12:31:49,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2022-12-13 12:31:49,191 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:31:49,191 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 10, 10, 10, 10, 10, 10, 4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:31:49,191 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-13 12:31:49,192 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 12:31:49,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:31:49,192 INFO L85 PathProgramCache]: Analyzing trace with hash 413423552, now seen corresponding path program 1 times [2022-12-13 12:31:49,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:31:49,192 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171562717] [2022-12-13 12:31:49,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:31:49,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:31:49,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:49,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 12:31:49,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:49,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:31:49,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:49,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 12:31:49,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:49,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:31:49,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:49,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 12:31:49,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:49,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:31:49,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:49,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 12:31:49,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:49,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:31:49,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:49,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 12:31:49,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:49,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:31:49,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:49,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 12:31:49,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:49,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:31:49,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:49,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 12:31:49,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:49,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:31:49,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:49,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 12:31:49,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:49,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:31:49,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:49,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 12:31:49,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:49,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:31:49,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:49,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 12:31:49,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:49,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:31:49,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:49,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-12-13 12:31:49,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:49,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-12-13 12:31:49,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:49,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-12-13 12:31:49,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:49,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-12-13 12:31:49,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:49,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-12-13 12:31:49,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:49,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:31:49,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:49,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-12-13 12:31:49,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:49,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-12-13 12:31:49,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:49,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-12-13 12:31:49,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:49,806 INFO L134 CoverageAnalysis]: Checked inductivity of 573 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 573 trivial. 0 not checked. [2022-12-13 12:31:49,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:31:49,807 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1171562717] [2022-12-13 12:31:49,807 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1171562717] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:31:49,807 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:31:49,807 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 12:31:49,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811656961] [2022-12-13 12:31:49,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:31:49,808 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 12:31:49,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:31:49,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 12:31:49,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 12:31:49,809 INFO L87 Difference]: Start difference. First operand 26505 states and 36550 transitions. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-12-13 12:31:53,837 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:31:54,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:31:54,450 INFO L93 Difference]: Finished difference Result 26631 states and 36853 transitions. [2022-12-13 12:31:54,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 12:31:54,452 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 186 [2022-12-13 12:31:54,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:31:54,530 INFO L225 Difference]: With dead ends: 26631 [2022-12-13 12:31:54,531 INFO L226 Difference]: Without dead ends: 26629 [2022-12-13 12:31:54,539 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-12-13 12:31:54,540 INFO L413 NwaCegarLoop]: 1351 mSDtfsCounter, 1807 mSDsluCounter, 3191 mSDsCounter, 0 mSdLazyCounter, 2068 mSolverCounterSat, 561 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2010 SdHoareTripleChecker+Valid, 4542 SdHoareTripleChecker+Invalid, 2630 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 561 IncrementalHoareTripleChecker+Valid, 2068 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2022-12-13 12:31:54,540 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2010 Valid, 4542 Invalid, 2630 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [561 Valid, 2068 Invalid, 1 Unknown, 0 Unchecked, 3.9s Time] [2022-12-13 12:31:54,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26629 states. [2022-12-13 12:31:55,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26629 to 26509. [2022-12-13 12:31:55,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26509 states, 19185 states have (on average 1.232108418034923) internal successors, (23638), 19539 states have internal predecessors, (23638), 5787 states have call successors, (5787), 1537 states have call predecessors, (5787), 1534 states have return successors, (7128), 5596 states have call predecessors, (7128), 5784 states have call successors, (7128) [2022-12-13 12:31:55,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26509 states to 26509 states and 36553 transitions. [2022-12-13 12:31:55,500 INFO L78 Accepts]: Start accepts. Automaton has 26509 states and 36553 transitions. Word has length 186 [2022-12-13 12:31:55,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:31:55,500 INFO L495 AbstractCegarLoop]: Abstraction has 26509 states and 36553 transitions. [2022-12-13 12:31:55,500 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-12-13 12:31:55,501 INFO L276 IsEmpty]: Start isEmpty. Operand 26509 states and 36553 transitions. [2022-12-13 12:31:55,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2022-12-13 12:31:55,502 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:31:55,503 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 10, 10, 10, 10, 10, 10, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:31:55,503 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-13 12:31:55,503 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 12:31:55,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:31:55,503 INFO L85 PathProgramCache]: Analyzing trace with hash -246590509, now seen corresponding path program 1 times [2022-12-13 12:31:55,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:31:55,503 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1849078951] [2022-12-13 12:31:55,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:31:55,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:31:55,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:55,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 12:31:55,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:55,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:31:55,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:55,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 12:31:55,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:55,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:31:55,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:55,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 12:31:55,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:55,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:31:55,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:55,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 12:31:55,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:55,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:31:55,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:55,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 12:31:55,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:55,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:31:55,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:55,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 12:31:55,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:55,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:31:55,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:55,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 12:31:55,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:55,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:31:55,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:55,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 12:31:55,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:55,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:31:55,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:55,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 12:31:55,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:55,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:31:55,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:55,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 12:31:55,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:55,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:31:55,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:55,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-12-13 12:31:55,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:55,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-12-13 12:31:55,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:55,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-12-13 12:31:55,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:55,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-12-13 12:31:55,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:55,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-12-13 12:31:55,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:55,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:31:55,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:55,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-12-13 12:31:55,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:55,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-12-13 12:31:55,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:55,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-12-13 12:31:55,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:55,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-12-13 12:31:55,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:31:55,976 INFO L134 CoverageAnalysis]: Checked inductivity of 575 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 573 trivial. 0 not checked. [2022-12-13 12:31:55,976 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:31:55,976 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1849078951] [2022-12-13 12:31:55,977 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1849078951] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:31:55,977 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:31:55,977 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 12:31:55,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1377917130] [2022-12-13 12:31:55,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:31:55,977 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 12:31:55,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:31:55,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 12:31:55,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 12:31:55,978 INFO L87 Difference]: Start difference. First operand 26509 states and 36553 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-12-13 12:32:00,301 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:32:00,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:32:00,940 INFO L93 Difference]: Finished difference Result 26635 states and 36856 transitions. [2022-12-13 12:32:00,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 12:32:00,941 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 191 [2022-12-13 12:32:00,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:32:01,002 INFO L225 Difference]: With dead ends: 26635 [2022-12-13 12:32:01,002 INFO L226 Difference]: Without dead ends: 26633 [2022-12-13 12:32:01,009 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-12-13 12:32:01,009 INFO L413 NwaCegarLoop]: 1351 mSDtfsCounter, 1799 mSDsluCounter, 3191 mSDsCounter, 0 mSdLazyCounter, 2071 mSolverCounterSat, 560 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2002 SdHoareTripleChecker+Valid, 4542 SdHoareTripleChecker+Invalid, 2632 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 560 IncrementalHoareTripleChecker+Valid, 2071 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2022-12-13 12:32:01,010 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2002 Valid, 4542 Invalid, 2632 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [560 Valid, 2071 Invalid, 1 Unknown, 0 Unchecked, 4.0s Time] [2022-12-13 12:32:01,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26633 states. [2022-12-13 12:32:01,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26633 to 26513. [2022-12-13 12:32:01,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26513 states, 19188 states have (on average 1.2320721284135918) internal successors, (23641), 19542 states have internal predecessors, (23641), 5787 states have call successors, (5787), 1538 states have call predecessors, (5787), 1535 states have return successors, (7128), 5596 states have call predecessors, (7128), 5784 states have call successors, (7128) [2022-12-13 12:32:01,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26513 states to 26513 states and 36556 transitions. [2022-12-13 12:32:01,867 INFO L78 Accepts]: Start accepts. Automaton has 26513 states and 36556 transitions. Word has length 191 [2022-12-13 12:32:01,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:32:01,868 INFO L495 AbstractCegarLoop]: Abstraction has 26513 states and 36556 transitions. [2022-12-13 12:32:01,868 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-12-13 12:32:01,868 INFO L276 IsEmpty]: Start isEmpty. Operand 26513 states and 36556 transitions. [2022-12-13 12:32:01,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2022-12-13 12:32:01,869 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:32:01,869 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 10, 10, 10, 10, 10, 10, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:32:01,869 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-13 12:32:01,869 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 12:32:01,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:32:01,870 INFO L85 PathProgramCache]: Analyzing trace with hash 1735066464, now seen corresponding path program 1 times [2022-12-13 12:32:01,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:32:01,870 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128761622] [2022-12-13 12:32:01,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:32:01,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:32:01,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:02,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 12:32:02,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:02,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:32:02,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:02,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 12:32:02,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:02,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:32:02,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:02,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 12:32:02,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:02,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:32:02,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:02,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 12:32:02,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:02,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:32:02,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:02,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 12:32:02,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:02,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:32:02,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:02,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 12:32:02,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:02,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:32:02,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:02,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 12:32:02,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:02,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:32:02,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:02,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 12:32:02,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:02,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:32:02,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:02,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 12:32:02,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:02,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:32:02,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:02,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 12:32:02,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:02,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:32:02,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:02,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-12-13 12:32:02,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:02,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-12-13 12:32:02,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:02,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-12-13 12:32:02,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:02,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-12-13 12:32:02,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:02,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-12-13 12:32:02,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:02,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:32:02,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:02,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-12-13 12:32:02,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:02,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-12-13 12:32:02,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:02,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-12-13 12:32:02,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:02,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-12-13 12:32:02,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:02,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-12-13 12:32:02,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:02,279 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 577 trivial. 0 not checked. [2022-12-13 12:32:02,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:32:02,279 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1128761622] [2022-12-13 12:32:02,279 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1128761622] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:32:02,279 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:32:02,279 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 12:32:02,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112292396] [2022-12-13 12:32:02,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:32:02,280 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 12:32:02,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:32:02,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 12:32:02,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 12:32:02,281 INFO L87 Difference]: Start difference. First operand 26513 states and 36556 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-12-13 12:32:06,735 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:32:07,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:32:07,476 INFO L93 Difference]: Finished difference Result 26639 states and 36859 transitions. [2022-12-13 12:32:07,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 12:32:07,478 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 196 [2022-12-13 12:32:07,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:32:07,553 INFO L225 Difference]: With dead ends: 26639 [2022-12-13 12:32:07,553 INFO L226 Difference]: Without dead ends: 26637 [2022-12-13 12:32:07,563 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-12-13 12:32:07,563 INFO L413 NwaCegarLoop]: 1351 mSDtfsCounter, 1799 mSDsluCounter, 3191 mSDsCounter, 0 mSdLazyCounter, 2071 mSolverCounterSat, 559 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2002 SdHoareTripleChecker+Valid, 4542 SdHoareTripleChecker+Invalid, 2631 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 559 IncrementalHoareTripleChecker+Valid, 2071 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2022-12-13 12:32:07,564 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2002 Valid, 4542 Invalid, 2631 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [559 Valid, 2071 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2022-12-13 12:32:07,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26637 states. [2022-12-13 12:32:08,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26637 to 26517. [2022-12-13 12:32:08,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26517 states, 19191 states have (on average 1.2320358501380855) internal successors, (23644), 19545 states have internal predecessors, (23644), 5787 states have call successors, (5787), 1539 states have call predecessors, (5787), 1536 states have return successors, (7128), 5596 states have call predecessors, (7128), 5784 states have call successors, (7128) [2022-12-13 12:32:08,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26517 states to 26517 states and 36559 transitions. [2022-12-13 12:32:08,570 INFO L78 Accepts]: Start accepts. Automaton has 26517 states and 36559 transitions. Word has length 196 [2022-12-13 12:32:08,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:32:08,570 INFO L495 AbstractCegarLoop]: Abstraction has 26517 states and 36559 transitions. [2022-12-13 12:32:08,570 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-12-13 12:32:08,571 INFO L276 IsEmpty]: Start isEmpty. Operand 26517 states and 36559 transitions. [2022-12-13 12:32:08,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2022-12-13 12:32:08,572 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:32:08,572 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 10, 10, 10, 10, 10, 10, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:32:08,572 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-13 12:32:08,572 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 12:32:08,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:32:08,573 INFO L85 PathProgramCache]: Analyzing trace with hash -868541517, now seen corresponding path program 1 times [2022-12-13 12:32:08,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:32:08,573 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171528298] [2022-12-13 12:32:08,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:32:08,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:32:08,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:08,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 12:32:08,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:08,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:32:08,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:08,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 12:32:08,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:08,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:32:08,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:08,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 12:32:08,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:08,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:32:08,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:08,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 12:32:08,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:08,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:32:08,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:08,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 12:32:08,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:08,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:32:08,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:08,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 12:32:08,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:08,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:32:08,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:08,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 12:32:08,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:08,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:32:08,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:08,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 12:32:08,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:08,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:32:08,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:08,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 12:32:08,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:08,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:32:08,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:08,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 12:32:08,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:08,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:32:08,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:08,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-12-13 12:32:08,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:08,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-12-13 12:32:08,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:08,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-12-13 12:32:08,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:08,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-12-13 12:32:08,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:08,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-12-13 12:32:08,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:08,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:32:08,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:08,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-12-13 12:32:08,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:08,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-12-13 12:32:09,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:09,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-12-13 12:32:09,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:09,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-12-13 12:32:09,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:09,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-12-13 12:32:09,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:09,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-12-13 12:32:09,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:09,033 INFO L134 CoverageAnalysis]: Checked inductivity of 591 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 585 trivial. 0 not checked. [2022-12-13 12:32:09,033 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:32:09,033 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1171528298] [2022-12-13 12:32:09,034 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1171528298] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:32:09,034 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:32:09,034 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 12:32:09,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570428637] [2022-12-13 12:32:09,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:32:09,034 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 12:32:09,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:32:09,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 12:32:09,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 12:32:09,035 INFO L87 Difference]: Start difference. First operand 26517 states and 36559 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-12-13 12:32:13,073 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:32:13,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:32:13,675 INFO L93 Difference]: Finished difference Result 26643 states and 36862 transitions. [2022-12-13 12:32:13,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 12:32:13,677 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 201 [2022-12-13 12:32:13,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:32:13,752 INFO L225 Difference]: With dead ends: 26643 [2022-12-13 12:32:13,752 INFO L226 Difference]: Without dead ends: 26641 [2022-12-13 12:32:13,763 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-12-13 12:32:13,764 INFO L413 NwaCegarLoop]: 1351 mSDtfsCounter, 1799 mSDsluCounter, 3191 mSDsCounter, 0 mSdLazyCounter, 2071 mSolverCounterSat, 558 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2002 SdHoareTripleChecker+Valid, 4542 SdHoareTripleChecker+Invalid, 2630 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 558 IncrementalHoareTripleChecker+Valid, 2071 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2022-12-13 12:32:13,764 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2002 Valid, 4542 Invalid, 2630 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [558 Valid, 2071 Invalid, 1 Unknown, 0 Unchecked, 3.8s Time] [2022-12-13 12:32:13,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26641 states. [2022-12-13 12:32:14,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26641 to 26521. [2022-12-13 12:32:14,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26521 states, 19194 states have (on average 1.2319995832030843) internal successors, (23647), 19548 states have internal predecessors, (23647), 5787 states have call successors, (5787), 1540 states have call predecessors, (5787), 1537 states have return successors, (7128), 5596 states have call predecessors, (7128), 5784 states have call successors, (7128) [2022-12-13 12:32:14,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26521 states to 26521 states and 36562 transitions. [2022-12-13 12:32:14,765 INFO L78 Accepts]: Start accepts. Automaton has 26521 states and 36562 transitions. Word has length 201 [2022-12-13 12:32:14,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:32:14,766 INFO L495 AbstractCegarLoop]: Abstraction has 26521 states and 36562 transitions. [2022-12-13 12:32:14,766 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-12-13 12:32:14,766 INFO L276 IsEmpty]: Start isEmpty. Operand 26521 states and 36562 transitions. [2022-12-13 12:32:14,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2022-12-13 12:32:14,767 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:32:14,768 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 10, 10, 10, 10, 10, 10, 5, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:32:14,768 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-13 12:32:14,768 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 12:32:14,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:32:14,768 INFO L85 PathProgramCache]: Analyzing trace with hash 1803114240, now seen corresponding path program 1 times [2022-12-13 12:32:14,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:32:14,768 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [853459271] [2022-12-13 12:32:14,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:32:14,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:32:14,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:15,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 12:32:15,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:15,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:32:15,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:15,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 12:32:15,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:15,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:32:15,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:15,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 12:32:15,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:15,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:32:15,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:15,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 12:32:15,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:15,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:32:15,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:15,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 12:32:15,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:15,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:32:15,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:15,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 12:32:15,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:15,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:32:15,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:15,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 12:32:15,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:15,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:32:15,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:15,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 12:32:15,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:15,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:32:15,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:15,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 12:32:15,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:15,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:32:15,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:15,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 12:32:15,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:15,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:32:15,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:15,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-12-13 12:32:15,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:15,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-12-13 12:32:15,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:15,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-12-13 12:32:15,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:15,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-12-13 12:32:15,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:15,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-12-13 12:32:15,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:15,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:32:15,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:15,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-12-13 12:32:15,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:15,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-12-13 12:32:15,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:15,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-12-13 12:32:15,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:15,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-12-13 12:32:15,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:15,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-12-13 12:32:15,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:15,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-12-13 12:32:15,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:15,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-12-13 12:32:15,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:15,200 INFO L134 CoverageAnalysis]: Checked inductivity of 605 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 597 trivial. 0 not checked. [2022-12-13 12:32:15,200 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:32:15,200 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [853459271] [2022-12-13 12:32:15,200 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [853459271] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:32:15,200 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:32:15,200 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 12:32:15,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [729730159] [2022-12-13 12:32:15,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:32:15,201 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 12:32:15,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:32:15,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 12:32:15,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 12:32:15,202 INFO L87 Difference]: Start difference. First operand 26521 states and 36562 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-12-13 12:32:19,333 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:32:19,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:32:19,995 INFO L93 Difference]: Finished difference Result 26647 states and 36865 transitions. [2022-12-13 12:32:19,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 12:32:19,997 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 206 [2022-12-13 12:32:19,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:32:20,065 INFO L225 Difference]: With dead ends: 26647 [2022-12-13 12:32:20,065 INFO L226 Difference]: Without dead ends: 26645 [2022-12-13 12:32:20,077 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-12-13 12:32:20,078 INFO L413 NwaCegarLoop]: 1351 mSDtfsCounter, 1799 mSDsluCounter, 3191 mSDsCounter, 0 mSdLazyCounter, 2071 mSolverCounterSat, 557 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2002 SdHoareTripleChecker+Valid, 4542 SdHoareTripleChecker+Invalid, 2629 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 557 IncrementalHoareTripleChecker+Valid, 2071 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2022-12-13 12:32:20,078 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2002 Valid, 4542 Invalid, 2629 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [557 Valid, 2071 Invalid, 1 Unknown, 0 Unchecked, 3.7s Time] [2022-12-13 12:32:20,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26645 states. [2022-12-13 12:32:21,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26645 to 26525. [2022-12-13 12:32:21,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26525 states, 19197 states have (on average 1.2319633276032713) internal successors, (23650), 19551 states have internal predecessors, (23650), 5787 states have call successors, (5787), 1541 states have call predecessors, (5787), 1538 states have return successors, (7128), 5596 states have call predecessors, (7128), 5784 states have call successors, (7128) [2022-12-13 12:32:21,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26525 states to 26525 states and 36565 transitions. [2022-12-13 12:32:21,155 INFO L78 Accepts]: Start accepts. Automaton has 26525 states and 36565 transitions. Word has length 206 [2022-12-13 12:32:21,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:32:21,155 INFO L495 AbstractCegarLoop]: Abstraction has 26525 states and 36565 transitions. [2022-12-13 12:32:21,156 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-12-13 12:32:21,156 INFO L276 IsEmpty]: Start isEmpty. Operand 26525 states and 36565 transitions. [2022-12-13 12:32:21,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2022-12-13 12:32:21,158 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:32:21,158 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 10, 10, 10, 10, 10, 10, 6, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:32:21,158 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-13 12:32:21,158 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 12:32:21,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:32:21,159 INFO L85 PathProgramCache]: Analyzing trace with hash -731235437, now seen corresponding path program 1 times [2022-12-13 12:32:21,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:32:21,159 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1161999278] [2022-12-13 12:32:21,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:32:21,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:32:21,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:21,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 12:32:21,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:21,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:32:21,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:21,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 12:32:21,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:21,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:32:21,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:21,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 12:32:21,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:21,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:32:21,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:21,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 12:32:21,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:21,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:32:21,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:21,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 12:32:21,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:21,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:32:21,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:21,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 12:32:21,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:21,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:32:21,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:21,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 12:32:21,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:21,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:32:21,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:21,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 12:32:21,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:21,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:32:21,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:21,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 12:32:21,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:21,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:32:21,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:21,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 12:32:21,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:21,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:32:21,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:21,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-12-13 12:32:21,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:21,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-12-13 12:32:21,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:21,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-12-13 12:32:21,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:21,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-12-13 12:32:21,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:21,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-12-13 12:32:21,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:21,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:32:21,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:21,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-12-13 12:32:21,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:21,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-12-13 12:32:21,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:21,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-12-13 12:32:21,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:21,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-12-13 12:32:21,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:21,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-12-13 12:32:21,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:21,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-12-13 12:32:21,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:21,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-12-13 12:32:21,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:21,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-12-13 12:32:21,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:21,539 INFO L134 CoverageAnalysis]: Checked inductivity of 623 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 613 trivial. 0 not checked. [2022-12-13 12:32:21,539 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:32:21,539 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1161999278] [2022-12-13 12:32:21,540 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1161999278] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:32:21,540 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:32:21,540 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 12:32:21,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814633922] [2022-12-13 12:32:21,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:32:21,540 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 12:32:21,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:32:21,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 12:32:21,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 12:32:21,541 INFO L87 Difference]: Start difference. First operand 26525 states and 36565 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-12-13 12:32:25,545 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:32:26,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:32:26,264 INFO L93 Difference]: Finished difference Result 26651 states and 36868 transitions. [2022-12-13 12:32:26,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 12:32:26,266 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 211 [2022-12-13 12:32:26,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:32:26,334 INFO L225 Difference]: With dead ends: 26651 [2022-12-13 12:32:26,335 INFO L226 Difference]: Without dead ends: 26649 [2022-12-13 12:32:26,345 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-12-13 12:32:26,346 INFO L413 NwaCegarLoop]: 1351 mSDtfsCounter, 1799 mSDsluCounter, 3191 mSDsCounter, 0 mSdLazyCounter, 2071 mSolverCounterSat, 556 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2002 SdHoareTripleChecker+Valid, 4542 SdHoareTripleChecker+Invalid, 2628 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 556 IncrementalHoareTripleChecker+Valid, 2071 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2022-12-13 12:32:26,346 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2002 Valid, 4542 Invalid, 2628 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [556 Valid, 2071 Invalid, 1 Unknown, 0 Unchecked, 3.7s Time] [2022-12-13 12:32:26,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26649 states. [2022-12-13 12:32:27,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26649 to 26529. [2022-12-13 12:32:27,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26529 states, 19200 states have (on average 1.2319270833333333) internal successors, (23653), 19554 states have internal predecessors, (23653), 5787 states have call successors, (5787), 1542 states have call predecessors, (5787), 1539 states have return successors, (7128), 5596 states have call predecessors, (7128), 5784 states have call successors, (7128) [2022-12-13 12:32:27,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26529 states to 26529 states and 36568 transitions. [2022-12-13 12:32:27,767 INFO L78 Accepts]: Start accepts. Automaton has 26529 states and 36568 transitions. Word has length 211 [2022-12-13 12:32:27,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:32:27,767 INFO L495 AbstractCegarLoop]: Abstraction has 26529 states and 36568 transitions. [2022-12-13 12:32:27,767 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-12-13 12:32:27,768 INFO L276 IsEmpty]: Start isEmpty. Operand 26529 states and 36568 transitions. [2022-12-13 12:32:27,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-12-13 12:32:27,769 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:32:27,769 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 10, 10, 10, 10, 10, 10, 7, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:32:27,770 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-13 12:32:27,770 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 12:32:27,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:32:27,770 INFO L85 PathProgramCache]: Analyzing trace with hash -796095855, now seen corresponding path program 1 times [2022-12-13 12:32:27,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:32:27,770 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [594846313] [2022-12-13 12:32:27,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:32:27,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:32:27,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:27,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 12:32:27,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:27,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:32:27,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:27,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 12:32:27,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:27,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:32:27,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:27,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 12:32:27,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:27,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:32:27,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:27,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 12:32:27,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:28,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:32:28,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:28,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 12:32:28,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:28,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:32:28,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:28,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 12:32:28,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:28,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:32:28,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:28,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 12:32:28,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:28,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:32:28,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:28,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 12:32:28,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:28,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:32:28,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:28,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 12:32:28,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:28,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:32:28,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:28,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 12:32:28,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:28,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:32:28,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:28,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-12-13 12:32:28,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:28,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-12-13 12:32:28,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:28,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-12-13 12:32:28,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:28,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-12-13 12:32:28,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:28,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-12-13 12:32:28,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:28,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:32:28,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:28,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-12-13 12:32:28,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:28,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-12-13 12:32:28,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:28,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-12-13 12:32:28,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:28,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-12-13 12:32:28,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:28,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-12-13 12:32:28,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:28,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-12-13 12:32:28,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:28,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-12-13 12:32:28,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:28,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-12-13 12:32:28,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:28,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-12-13 12:32:28,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:28,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-12-13 12:32:28,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:28,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-12-13 12:32:28,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:28,116 INFO L134 CoverageAnalysis]: Checked inductivity of 680 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 668 trivial. 0 not checked. [2022-12-13 12:32:28,116 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:32:28,116 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [594846313] [2022-12-13 12:32:28,117 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [594846313] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:32:28,117 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:32:28,117 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 12:32:28,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [549380336] [2022-12-13 12:32:28,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:32:28,117 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 12:32:28,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:32:28,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 12:32:28,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 12:32:28,118 INFO L87 Difference]: Start difference. First operand 26529 states and 36568 transitions. Second operand has 6 states, 6 states have (on average 10.5) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (29), 4 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-12-13 12:32:32,138 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:32:32,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:32:32,897 INFO L93 Difference]: Finished difference Result 27851 states and 38015 transitions. [2022-12-13 12:32:32,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 12:32:32,899 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (29), 4 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 234 [2022-12-13 12:32:32,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:32:32,965 INFO L225 Difference]: With dead ends: 27851 [2022-12-13 12:32:32,965 INFO L226 Difference]: Without dead ends: 27849 [2022-12-13 12:32:32,975 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-12-13 12:32:32,976 INFO L413 NwaCegarLoop]: 1351 mSDtfsCounter, 1676 mSDsluCounter, 3314 mSDsCounter, 0 mSdLazyCounter, 2314 mSolverCounterSat, 524 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1858 SdHoareTripleChecker+Valid, 4665 SdHoareTripleChecker+Invalid, 2839 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 524 IncrementalHoareTripleChecker+Valid, 2314 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2022-12-13 12:32:32,976 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1858 Valid, 4665 Invalid, 2839 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [524 Valid, 2314 Invalid, 1 Unknown, 0 Unchecked, 3.7s Time] [2022-12-13 12:32:32,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27849 states. [2022-12-13 12:32:34,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27849 to 27729. [2022-12-13 12:32:34,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27729 states, 19939 states have (on average 1.2245348312352675) internal successors, (24416), 20317 states have internal predecessors, (24416), 5979 states have call successors, (5979), 1811 states have call predecessors, (5979), 1808 states have return successors, (7320), 5788 states have call predecessors, (7320), 5976 states have call successors, (7320) [2022-12-13 12:32:34,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27729 states to 27729 states and 37715 transitions. [2022-12-13 12:32:34,256 INFO L78 Accepts]: Start accepts. Automaton has 27729 states and 37715 transitions. Word has length 234 [2022-12-13 12:32:34,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:32:34,256 INFO L495 AbstractCegarLoop]: Abstraction has 27729 states and 37715 transitions. [2022-12-13 12:32:34,257 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (29), 4 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-12-13 12:32:34,257 INFO L276 IsEmpty]: Start isEmpty. Operand 27729 states and 37715 transitions. [2022-12-13 12:32:34,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2022-12-13 12:32:34,259 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:32:34,259 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 10, 10, 10, 10, 10, 10, 8, 7, 7, 6, 6, 6, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:32:34,259 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-12-13 12:32:34,259 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 12:32:34,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:32:34,259 INFO L85 PathProgramCache]: Analyzing trace with hash -1576547806, now seen corresponding path program 1 times [2022-12-13 12:32:34,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:32:34,260 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1881860493] [2022-12-13 12:32:34,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:32:34,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:32:34,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:34,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 12:32:34,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:34,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:32:34,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:34,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 12:32:34,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:34,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:32:34,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:34,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 12:32:34,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:34,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:32:34,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:34,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 12:32:34,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:34,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:32:34,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:34,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 12:32:34,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:34,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:32:34,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:34,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 12:32:34,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:34,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:32:34,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:34,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 12:32:34,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:34,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:32:34,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:34,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 12:32:34,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:34,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:32:34,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:34,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 12:32:34,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:34,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:32:34,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:34,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 12:32:34,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:34,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:32:34,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:34,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-12-13 12:32:34,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:34,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-12-13 12:32:34,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:34,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-12-13 12:32:34,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:34,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-12-13 12:32:34,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:34,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-12-13 12:32:34,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:34,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:32:34,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:34,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-12-13 12:32:34,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:34,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-12-13 12:32:34,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:34,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-12-13 12:32:34,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:34,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-12-13 12:32:34,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:34,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-12-13 12:32:34,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:34,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-12-13 12:32:34,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:34,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-12-13 12:32:34,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:34,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-12-13 12:32:34,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:34,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-12-13 12:32:34,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:34,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-12-13 12:32:34,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:34,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-12-13 12:32:34,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:34,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2022-12-13 12:32:34,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:34,693 INFO L134 CoverageAnalysis]: Checked inductivity of 706 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 692 trivial. 0 not checked. [2022-12-13 12:32:34,693 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:32:34,693 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1881860493] [2022-12-13 12:32:34,693 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1881860493] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:32:34,693 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:32:34,693 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 12:32:34,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1231008422] [2022-12-13 12:32:34,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:32:34,694 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 12:32:34,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:32:34,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 12:32:34,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 12:32:34,694 INFO L87 Difference]: Start difference. First operand 27729 states and 37715 transitions. Second operand has 6 states, 6 states have (on average 10.5) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (30), 4 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-12-13 12:32:39,259 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:32:40,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:32:40,043 INFO L93 Difference]: Finished difference Result 27855 states and 38018 transitions. [2022-12-13 12:32:40,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 12:32:40,045 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (30), 4 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 239 [2022-12-13 12:32:40,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:32:40,107 INFO L225 Difference]: With dead ends: 27855 [2022-12-13 12:32:40,107 INFO L226 Difference]: Without dead ends: 27853 [2022-12-13 12:32:40,117 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-12-13 12:32:40,117 INFO L413 NwaCegarLoop]: 1351 mSDtfsCounter, 1790 mSDsluCounter, 3191 mSDsCounter, 0 mSdLazyCounter, 2071 mSolverCounterSat, 554 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1991 SdHoareTripleChecker+Valid, 4542 SdHoareTripleChecker+Invalid, 2626 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 554 IncrementalHoareTripleChecker+Valid, 2071 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2022-12-13 12:32:40,117 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1991 Valid, 4542 Invalid, 2626 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [554 Valid, 2071 Invalid, 1 Unknown, 0 Unchecked, 3.8s Time] [2022-12-13 12:32:40,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27853 states. [2022-12-13 12:32:41,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27853 to 27733. [2022-12-13 12:32:41,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27733 states, 19942 states have (on average 1.2245010530538563) internal successors, (24419), 20320 states have internal predecessors, (24419), 5979 states have call successors, (5979), 1812 states have call predecessors, (5979), 1809 states have return successors, (7320), 5788 states have call predecessors, (7320), 5976 states have call successors, (7320) [2022-12-13 12:32:41,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27733 states to 27733 states and 37718 transitions. [2022-12-13 12:32:41,462 INFO L78 Accepts]: Start accepts. Automaton has 27733 states and 37718 transitions. Word has length 239 [2022-12-13 12:32:41,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:32:41,463 INFO L495 AbstractCegarLoop]: Abstraction has 27733 states and 37718 transitions. [2022-12-13 12:32:41,463 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (30), 4 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-12-13 12:32:41,463 INFO L276 IsEmpty]: Start isEmpty. Operand 27733 states and 37718 transitions. [2022-12-13 12:32:41,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2022-12-13 12:32:41,465 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:32:41,466 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 10, 10, 10, 10, 10, 10, 9, 8, 8, 6, 6, 6, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:32:41,466 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-12-13 12:32:41,466 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 12:32:41,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:32:41,466 INFO L85 PathProgramCache]: Analyzing trace with hash -28855055, now seen corresponding path program 1 times [2022-12-13 12:32:41,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:32:41,467 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [475323148] [2022-12-13 12:32:41,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:32:41,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:32:41,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:41,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 12:32:41,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:41,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:32:41,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:41,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 12:32:41,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:41,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:32:41,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:41,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 12:32:41,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:41,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:32:41,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:41,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 12:32:41,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:41,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:32:41,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:41,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 12:32:41,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:41,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:32:41,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:41,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 12:32:41,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:41,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:32:41,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:41,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 12:32:41,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:41,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:32:41,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:41,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 12:32:41,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:41,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:32:41,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:41,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 12:32:41,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:41,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:32:41,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:41,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 12:32:41,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:41,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:32:41,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:41,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-12-13 12:32:41,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:41,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-12-13 12:32:41,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:41,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-12-13 12:32:41,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:41,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-12-13 12:32:41,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:41,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-12-13 12:32:41,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:41,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:32:41,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:41,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-12-13 12:32:41,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:41,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-12-13 12:32:41,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:41,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-12-13 12:32:41,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:41,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-12-13 12:32:41,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:41,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-12-13 12:32:41,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:41,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-12-13 12:32:41,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:41,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-12-13 12:32:41,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:41,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-12-13 12:32:41,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:41,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-12-13 12:32:41,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:41,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-12-13 12:32:41,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:41,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-12-13 12:32:41,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:41,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2022-12-13 12:32:41,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:41,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-12-13 12:32:41,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:41,822 INFO L134 CoverageAnalysis]: Checked inductivity of 736 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 720 trivial. 0 not checked. [2022-12-13 12:32:41,822 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:32:41,822 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [475323148] [2022-12-13 12:32:41,822 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [475323148] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:32:41,822 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:32:41,822 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 12:32:41,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221387478] [2022-12-13 12:32:41,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:32:41,823 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 12:32:41,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:32:41,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 12:32:41,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 12:32:41,824 INFO L87 Difference]: Start difference. First operand 27733 states and 37718 transitions. Second operand has 6 states, 6 states have (on average 10.5) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-12-13 12:32:46,237 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:32:46,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:32:46,988 INFO L93 Difference]: Finished difference Result 27859 states and 38021 transitions. [2022-12-13 12:32:46,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 12:32:46,990 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 244 [2022-12-13 12:32:46,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:32:47,053 INFO L225 Difference]: With dead ends: 27859 [2022-12-13 12:32:47,053 INFO L226 Difference]: Without dead ends: 27857 [2022-12-13 12:32:47,064 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-12-13 12:32:47,064 INFO L413 NwaCegarLoop]: 1351 mSDtfsCounter, 1790 mSDsluCounter, 3191 mSDsCounter, 0 mSdLazyCounter, 2071 mSolverCounterSat, 553 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1991 SdHoareTripleChecker+Valid, 4542 SdHoareTripleChecker+Invalid, 2625 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 553 IncrementalHoareTripleChecker+Valid, 2071 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2022-12-13 12:32:47,064 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1991 Valid, 4542 Invalid, 2625 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [553 Valid, 2071 Invalid, 1 Unknown, 0 Unchecked, 3.8s Time] [2022-12-13 12:32:47,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27857 states. [2022-12-13 12:32:48,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27857 to 27737. [2022-12-13 12:32:48,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27737 states, 19945 states have (on average 1.2244672850338432) internal successors, (24422), 20323 states have internal predecessors, (24422), 5979 states have call successors, (5979), 1813 states have call predecessors, (5979), 1810 states have return successors, (7320), 5788 states have call predecessors, (7320), 5976 states have call successors, (7320) [2022-12-13 12:32:48,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27737 states to 27737 states and 37721 transitions. [2022-12-13 12:32:48,528 INFO L78 Accepts]: Start accepts. Automaton has 27737 states and 37721 transitions. Word has length 244 [2022-12-13 12:32:48,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:32:48,529 INFO L495 AbstractCegarLoop]: Abstraction has 27737 states and 37721 transitions. [2022-12-13 12:32:48,529 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-12-13 12:32:48,529 INFO L276 IsEmpty]: Start isEmpty. Operand 27737 states and 37721 transitions. [2022-12-13 12:32:48,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-12-13 12:32:48,531 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:32:48,531 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 10, 10, 10, 10, 10, 10, 10, 9, 9, 4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:32:48,531 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-12-13 12:32:48,531 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 12:32:48,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:32:48,532 INFO L85 PathProgramCache]: Analyzing trace with hash 1456767827, now seen corresponding path program 1 times [2022-12-13 12:32:48,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:32:48,532 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [511721427] [2022-12-13 12:32:48,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:32:48,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:32:48,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:48,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 12:32:48,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:48,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:32:48,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:48,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 12:32:48,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:48,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:32:48,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:48,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 12:32:48,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:48,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:32:48,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:48,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 12:32:48,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:48,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:32:48,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:48,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 12:32:48,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:48,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:32:48,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:48,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 12:32:48,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:48,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:32:48,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:48,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 12:32:48,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:48,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:32:48,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:48,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 12:32:48,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:48,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:32:48,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:48,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 12:32:48,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:48,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:32:48,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:48,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 12:32:48,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:48,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:32:48,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:48,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-12-13 12:32:48,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:48,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-12-13 12:32:48,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:48,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-12-13 12:32:48,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:48,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-12-13 12:32:48,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:48,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-12-13 12:32:48,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:48,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:32:48,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:48,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-12-13 12:32:48,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:48,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-12-13 12:32:48,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:48,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-12-13 12:32:48,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:48,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-12-13 12:32:48,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:48,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-12-13 12:32:48,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:48,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-12-13 12:32:48,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:48,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-12-13 12:32:48,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:48,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-12-13 12:32:48,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:48,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-12-13 12:32:48,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:48,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-12-13 12:32:48,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:48,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-12-13 12:32:48,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:48,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2022-12-13 12:32:48,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:48,901 INFO L134 CoverageAnalysis]: Checked inductivity of 735 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 717 trivial. 0 not checked. [2022-12-13 12:32:48,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:32:48,901 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [511721427] [2022-12-13 12:32:48,901 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [511721427] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:32:48,901 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:32:48,901 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 12:32:48,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1798901255] [2022-12-13 12:32:48,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:32:48,902 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 12:32:48,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:32:48,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 12:32:48,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 12:32:48,902 INFO L87 Difference]: Start difference. First operand 27737 states and 37721 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (30), 4 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-12-13 12:32:53,364 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:32:54,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:32:54,220 INFO L93 Difference]: Finished difference Result 27863 states and 38024 transitions. [2022-12-13 12:32:54,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 12:32:54,222 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (30), 4 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 231 [2022-12-13 12:32:54,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:32:54,286 INFO L225 Difference]: With dead ends: 27863 [2022-12-13 12:32:54,286 INFO L226 Difference]: Without dead ends: 27861 [2022-12-13 12:32:54,296 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-12-13 12:32:54,297 INFO L413 NwaCegarLoop]: 1351 mSDtfsCounter, 1799 mSDsluCounter, 3191 mSDsCounter, 0 mSdLazyCounter, 2071 mSolverCounterSat, 552 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2002 SdHoareTripleChecker+Valid, 4542 SdHoareTripleChecker+Invalid, 2624 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 552 IncrementalHoareTripleChecker+Valid, 2071 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2022-12-13 12:32:54,297 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2002 Valid, 4542 Invalid, 2624 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [552 Valid, 2071 Invalid, 1 Unknown, 0 Unchecked, 3.7s Time] [2022-12-13 12:32:54,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27861 states. [2022-12-13 12:32:55,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27861 to 27741. [2022-12-13 12:32:55,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27741 states, 19948 states have (on average 1.2244335271706437) internal successors, (24425), 20326 states have internal predecessors, (24425), 5979 states have call successors, (5979), 1814 states have call predecessors, (5979), 1811 states have return successors, (7320), 5788 states have call predecessors, (7320), 5976 states have call successors, (7320) [2022-12-13 12:32:55,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27741 states to 27741 states and 37724 transitions. [2022-12-13 12:32:55,826 INFO L78 Accepts]: Start accepts. Automaton has 27741 states and 37724 transitions. Word has length 231 [2022-12-13 12:32:55,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:32:55,826 INFO L495 AbstractCegarLoop]: Abstraction has 27741 states and 37724 transitions. [2022-12-13 12:32:55,826 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (30), 4 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-12-13 12:32:55,827 INFO L276 IsEmpty]: Start isEmpty. Operand 27741 states and 37724 transitions. [2022-12-13 12:32:55,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2022-12-13 12:32:55,829 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:32:55,829 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 10, 10, 10, 10, 10, 10, 5, 5, 5, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:32:55,829 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-12-13 12:32:55,829 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 12:32:55,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:32:55,830 INFO L85 PathProgramCache]: Analyzing trace with hash 335733482, now seen corresponding path program 1 times [2022-12-13 12:32:55,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:32:55,830 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [648532679] [2022-12-13 12:32:55,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:32:55,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:32:55,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:55,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 12:32:55,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:55,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:32:55,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:55,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 12:32:55,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:55,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:32:55,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:55,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 12:32:55,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:55,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:32:55,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:55,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 12:32:55,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:55,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:32:55,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:55,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 12:32:56,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:56,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:32:56,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:56,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 12:32:56,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:56,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:32:56,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:56,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 12:32:56,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:56,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:32:56,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:56,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 12:32:56,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:56,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:32:56,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:56,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 12:32:56,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:56,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:32:56,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:56,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 12:32:56,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:56,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:32:56,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:56,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-12-13 12:32:56,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:56,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-12-13 12:32:56,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:56,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-12-13 12:32:56,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:56,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-12-13 12:32:56,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:56,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-12-13 12:32:56,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:56,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-12-13 12:32:56,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:56,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:32:56,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:56,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-12-13 12:32:56,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:56,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-12-13 12:32:56,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:56,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-12-13 12:32:56,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:56,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-12-13 12:32:56,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:56,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-12-13 12:32:56,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:56,095 INFO L134 CoverageAnalysis]: Checked inductivity of 637 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 625 trivial. 0 not checked. [2022-12-13 12:32:56,095 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:32:56,095 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [648532679] [2022-12-13 12:32:56,096 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [648532679] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:32:56,096 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:32:56,096 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 12:32:56,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393530315] [2022-12-13 12:32:56,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:32:56,096 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 12:32:56,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:32:56,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 12:32:56,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 12:32:56,097 INFO L87 Difference]: Start difference. First operand 27741 states and 37724 transitions. Second operand has 4 states, 4 states have (on average 21.25) internal successors, (85), 3 states have internal predecessors, (85), 3 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2022-12-13 12:33:01,280 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:33:03,822 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:33:05,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:33:05,196 INFO L93 Difference]: Finished difference Result 67158 states and 91709 transitions. [2022-12-13 12:33:05,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 12:33:05,198 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.25) internal successors, (85), 3 states have internal predecessors, (85), 3 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) Word has length 229 [2022-12-13 12:33:05,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:33:05,300 INFO L225 Difference]: With dead ends: 67158 [2022-12-13 12:33:05,300 INFO L226 Difference]: Without dead ends: 39511 [2022-12-13 12:33:05,356 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 12:33:05,357 INFO L413 NwaCegarLoop]: 2548 mSDtfsCounter, 1785 mSDsluCounter, 2724 mSDsCounter, 0 mSdLazyCounter, 2145 mSolverCounterSat, 514 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2060 SdHoareTripleChecker+Valid, 5272 SdHoareTripleChecker+Invalid, 2661 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 514 IncrementalHoareTripleChecker+Valid, 2145 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2022-12-13 12:33:05,357 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2060 Valid, 5272 Invalid, 2661 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [514 Valid, 2145 Invalid, 2 Unknown, 0 Unchecked, 6.6s Time] [2022-12-13 12:33:05,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39511 states. [2022-12-13 12:33:07,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39511 to 39279. [2022-12-13 12:33:07,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39279 states, 28362 states have (on average 1.225125167477611) internal successors, (34747), 28890 states have internal predecessors, (34747), 8361 states have call successors, (8361), 2554 states have call predecessors, (8361), 2553 states have return successors, (10346), 8102 states have call predecessors, (10346), 8358 states have call successors, (10346) [2022-12-13 12:33:07,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39279 states to 39279 states and 53454 transitions. [2022-12-13 12:33:07,556 INFO L78 Accepts]: Start accepts. Automaton has 39279 states and 53454 transitions. Word has length 229 [2022-12-13 12:33:07,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:33:07,556 INFO L495 AbstractCegarLoop]: Abstraction has 39279 states and 53454 transitions. [2022-12-13 12:33:07,556 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.25) internal successors, (85), 3 states have internal predecessors, (85), 3 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2022-12-13 12:33:07,556 INFO L276 IsEmpty]: Start isEmpty. Operand 39279 states and 53454 transitions. [2022-12-13 12:33:07,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2022-12-13 12:33:07,558 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:33:07,558 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 11, 10, 10, 10, 10, 10, 10, 10, 10, 4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:33:07,558 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-12-13 12:33:07,558 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 12:33:07,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:33:07,558 INFO L85 PathProgramCache]: Analyzing trace with hash 1834893792, now seen corresponding path program 1 times [2022-12-13 12:33:07,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:33:07,559 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716393309] [2022-12-13 12:33:07,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:33:07,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:33:07,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:07,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 12:33:07,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:07,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:33:07,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:07,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 12:33:07,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:07,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:33:07,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:07,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 12:33:07,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:07,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:33:07,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:07,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 12:33:07,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:07,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:33:07,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:07,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 12:33:07,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:07,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:33:07,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:07,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 12:33:07,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:07,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:33:07,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:07,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 12:33:07,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:07,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:33:07,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:07,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 12:33:07,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:07,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:33:07,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:07,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 12:33:07,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:07,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:33:07,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:07,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 12:33:07,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:07,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:33:07,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:07,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-12-13 12:33:07,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:07,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-12-13 12:33:07,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:07,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-12-13 12:33:07,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:07,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-12-13 12:33:07,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:07,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-12-13 12:33:07,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:07,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:33:07,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:07,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-12-13 12:33:07,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:07,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-12-13 12:33:07,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:07,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-12-13 12:33:07,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:07,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-12-13 12:33:07,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:07,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-12-13 12:33:07,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:07,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-12-13 12:33:07,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:07,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-12-13 12:33:07,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:07,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-12-13 12:33:07,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:07,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-12-13 12:33:07,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:07,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-12-13 12:33:07,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:07,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-12-13 12:33:07,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:07,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2022-12-13 12:33:07,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:07,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-12-13 12:33:07,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:07,891 INFO L134 CoverageAnalysis]: Checked inductivity of 773 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 753 trivial. 0 not checked. [2022-12-13 12:33:07,891 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:33:07,891 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [716393309] [2022-12-13 12:33:07,892 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [716393309] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:33:07,892 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:33:07,892 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 12:33:07,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1022822795] [2022-12-13 12:33:07,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:33:07,892 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 12:33:07,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:33:07,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 12:33:07,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 12:33:07,893 INFO L87 Difference]: Start difference. First operand 39279 states and 53454 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-12-13 12:33:12,548 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:33:13,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:33:13,780 INFO L93 Difference]: Finished difference Result 39445 states and 53853 transitions. [2022-12-13 12:33:13,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 12:33:13,782 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 236 [2022-12-13 12:33:13,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:33:13,865 INFO L225 Difference]: With dead ends: 39445 [2022-12-13 12:33:13,865 INFO L226 Difference]: Without dead ends: 39441 [2022-12-13 12:33:13,876 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-12-13 12:33:13,876 INFO L413 NwaCegarLoop]: 1351 mSDtfsCounter, 1799 mSDsluCounter, 3191 mSDsCounter, 0 mSdLazyCounter, 2071 mSolverCounterSat, 551 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2002 SdHoareTripleChecker+Valid, 4542 SdHoareTripleChecker+Invalid, 2623 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 551 IncrementalHoareTripleChecker+Valid, 2071 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2022-12-13 12:33:13,877 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2002 Valid, 4542 Invalid, 2623 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [551 Valid, 2071 Invalid, 1 Unknown, 0 Unchecked, 3.8s Time] [2022-12-13 12:33:13,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39441 states. [2022-12-13 12:33:16,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39441 to 39281. [2022-12-13 12:33:16,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39281 states, 28364 states have (on average 1.2250740375123397) internal successors, (34748), 28891 states have internal predecessors, (34748), 8361 states have call successors, (8361), 2555 states have call predecessors, (8361), 2553 states have return successors, (10346), 8102 states have call predecessors, (10346), 8358 states have call successors, (10346) [2022-12-13 12:33:16,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39281 states to 39281 states and 53455 transitions. [2022-12-13 12:33:16,156 INFO L78 Accepts]: Start accepts. Automaton has 39281 states and 53455 transitions. Word has length 236 [2022-12-13 12:33:16,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:33:16,156 INFO L495 AbstractCegarLoop]: Abstraction has 39281 states and 53455 transitions. [2022-12-13 12:33:16,156 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-12-13 12:33:16,156 INFO L276 IsEmpty]: Start isEmpty. Operand 39281 states and 53455 transitions. [2022-12-13 12:33:16,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2022-12-13 12:33:16,158 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:33:16,158 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 12, 11, 11, 10, 10, 10, 10, 10, 10, 4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:33:16,158 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-12-13 12:33:16,158 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 12:33:16,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:33:16,158 INFO L85 PathProgramCache]: Analyzing trace with hash 770943795, now seen corresponding path program 1 times [2022-12-13 12:33:16,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:33:16,159 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1816319188] [2022-12-13 12:33:16,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:33:16,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:33:16,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:16,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 12:33:16,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:16,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:33:16,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:16,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 12:33:16,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:16,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:33:16,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:16,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 12:33:16,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:16,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:33:16,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:16,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 12:33:16,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:16,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:33:16,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:16,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 12:33:16,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:16,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:33:16,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:16,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 12:33:16,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:16,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:33:16,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:16,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 12:33:16,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:16,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:33:16,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:16,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 12:33:16,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:16,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:33:16,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:16,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 12:33:16,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:16,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:33:16,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:16,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 12:33:16,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:16,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:33:16,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:16,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-12-13 12:33:16,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:16,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-12-13 12:33:16,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:16,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-12-13 12:33:16,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:16,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-12-13 12:33:16,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:16,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-12-13 12:33:16,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:16,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:33:16,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:16,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-12-13 12:33:16,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:16,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-12-13 12:33:16,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:16,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-12-13 12:33:16,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:16,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-12-13 12:33:16,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:16,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-12-13 12:33:16,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:16,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-12-13 12:33:16,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:16,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-12-13 12:33:16,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:16,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-12-13 12:33:16,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:16,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-12-13 12:33:16,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:16,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-12-13 12:33:16,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:16,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-12-13 12:33:16,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:16,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2022-12-13 12:33:16,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:16,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-12-13 12:33:16,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:16,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-12-13 12:33:16,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:16,521 INFO L134 CoverageAnalysis]: Checked inductivity of 815 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 793 trivial. 0 not checked. [2022-12-13 12:33:16,521 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:33:16,521 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1816319188] [2022-12-13 12:33:16,521 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1816319188] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:33:16,521 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:33:16,521 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 12:33:16,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747688203] [2022-12-13 12:33:16,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:33:16,522 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 12:33:16,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:33:16,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 12:33:16,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 12:33:16,523 INFO L87 Difference]: Start difference. First operand 39281 states and 53455 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (32), 4 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-12-13 12:33:21,631 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:33:22,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:33:22,828 INFO L93 Difference]: Finished difference Result 39441 states and 53849 transitions. [2022-12-13 12:33:22,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 12:33:22,830 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (32), 4 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 241 [2022-12-13 12:33:22,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:33:22,920 INFO L225 Difference]: With dead ends: 39441 [2022-12-13 12:33:22,920 INFO L226 Difference]: Without dead ends: 39094 [2022-12-13 12:33:22,934 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-12-13 12:33:22,934 INFO L413 NwaCegarLoop]: 1351 mSDtfsCounter, 1793 mSDsluCounter, 3191 mSDsCounter, 0 mSdLazyCounter, 2063 mSolverCounterSat, 550 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1996 SdHoareTripleChecker+Valid, 4542 SdHoareTripleChecker+Invalid, 2614 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 550 IncrementalHoareTripleChecker+Valid, 2063 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2022-12-13 12:33:22,934 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1996 Valid, 4542 Invalid, 2614 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [550 Valid, 2063 Invalid, 1 Unknown, 0 Unchecked, 3.7s Time] [2022-12-13 12:33:22,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39094 states. [2022-12-13 12:33:25,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39094 to 38934. [2022-12-13 12:33:25,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38934 states, 28146 states have (on average 1.2238328714559796) internal successors, (34446), 28625 states have internal predecessors, (34446), 8247 states have call successors, (8247), 2539 states have call predecessors, (8247), 2539 states have return successors, (10235), 8037 states have call predecessors, (10235), 8247 states have call successors, (10235) [2022-12-13 12:33:25,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38934 states to 38934 states and 52928 transitions. [2022-12-13 12:33:25,296 INFO L78 Accepts]: Start accepts. Automaton has 38934 states and 52928 transitions. Word has length 241 [2022-12-13 12:33:25,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:33:25,296 INFO L495 AbstractCegarLoop]: Abstraction has 38934 states and 52928 transitions. [2022-12-13 12:33:25,296 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (32), 4 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-12-13 12:33:25,296 INFO L276 IsEmpty]: Start isEmpty. Operand 38934 states and 52928 transitions. [2022-12-13 12:33:25,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2022-12-13 12:33:25,299 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:33:25,299 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 10, 10, 10, 10, 10, 10, 7, 7, 7, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:33:25,299 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-12-13 12:33:25,299 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 12:33:25,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:33:25,300 INFO L85 PathProgramCache]: Analyzing trace with hash -743155880, now seen corresponding path program 1 times [2022-12-13 12:33:25,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:33:25,300 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2022601064] [2022-12-13 12:33:25,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:33:25,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:33:25,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:25,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 12:33:25,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:25,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:33:25,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:25,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 12:33:25,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:25,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:33:25,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:25,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 12:33:25,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:25,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:33:25,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:25,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 12:33:25,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:25,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:33:25,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:25,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 12:33:25,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:25,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:33:25,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:25,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 12:33:25,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:25,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:33:25,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:25,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 12:33:25,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:25,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:33:25,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:25,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 12:33:25,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:25,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:33:25,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:25,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 12:33:25,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:25,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:33:25,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:25,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 12:33:25,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:25,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:33:25,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:25,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-12-13 12:33:25,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:25,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-12-13 12:33:25,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:25,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-12-13 12:33:25,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:25,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-12-13 12:33:25,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:25,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-12-13 12:33:25,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:25,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-12-13 12:33:25,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:25,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:33:25,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:25,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-12-13 12:33:25,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:25,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-12-13 12:33:25,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:25,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-12-13 12:33:25,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:25,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:33:25,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:25,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 12:33:25,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:25,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 12:33:25,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:25,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-12-13 12:33:25,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:25,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-12-13 12:33:25,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:25,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-12-13 12:33:25,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:25,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-12-13 12:33:25,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:25,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-12-13 12:33:25,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:25,593 INFO L134 CoverageAnalysis]: Checked inductivity of 796 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 765 trivial. 0 not checked. [2022-12-13 12:33:25,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:33:25,594 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2022601064] [2022-12-13 12:33:25,594 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2022601064] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:33:25,594 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:33:25,594 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 12:33:25,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246190944] [2022-12-13 12:33:25,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:33:25,595 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 12:33:25,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:33:25,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 12:33:25,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 12:33:25,596 INFO L87 Difference]: Start difference. First operand 38934 states and 52928 transitions. Second operand has 4 states, 4 states have (on average 27.75) internal successors, (111), 3 states have internal predecessors, (111), 3 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-12-13 12:33:31,264 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:33:33,471 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:33:35,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:33:35,177 INFO L93 Difference]: Finished difference Result 89337 states and 121832 transitions. [2022-12-13 12:33:35,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 12:33:35,178 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 27.75) internal successors, (111), 3 states have internal predecessors, (111), 3 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 278 [2022-12-13 12:33:35,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:33:35,312 INFO L225 Difference]: With dead ends: 89337 [2022-12-13 12:33:35,312 INFO L226 Difference]: Without dead ends: 50426 [2022-12-13 12:33:35,381 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 12:33:35,382 INFO L413 NwaCegarLoop]: 2534 mSDtfsCounter, 1751 mSDsluCounter, 2711 mSDsCounter, 0 mSdLazyCounter, 2056 mSolverCounterSat, 451 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2012 SdHoareTripleChecker+Valid, 5245 SdHoareTripleChecker+Invalid, 2509 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 451 IncrementalHoareTripleChecker+Valid, 2056 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2022-12-13 12:33:35,382 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2012 Valid, 5245 Invalid, 2509 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [451 Valid, 2056 Invalid, 2 Unknown, 0 Unchecked, 6.5s Time] [2022-12-13 12:33:35,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50426 states. [2022-12-13 12:33:38,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50426 to 50214. [2022-12-13 12:33:38,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50214 states, 36373 states have (on average 1.2246446540015945) internal successors, (44544), 36986 states have internal predecessors, (44544), 10570 states have call successors, (10570), 3267 states have call predecessors, (10570), 3269 states have return successors, (13202), 10308 states have call predecessors, (13202), 10570 states have call successors, (13202) [2022-12-13 12:33:38,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50214 states to 50214 states and 68316 transitions. [2022-12-13 12:33:38,483 INFO L78 Accepts]: Start accepts. Automaton has 50214 states and 68316 transitions. Word has length 278 [2022-12-13 12:33:38,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:33:38,483 INFO L495 AbstractCegarLoop]: Abstraction has 50214 states and 68316 transitions. [2022-12-13 12:33:38,483 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.75) internal successors, (111), 3 states have internal predecessors, (111), 3 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-12-13 12:33:38,483 INFO L276 IsEmpty]: Start isEmpty. Operand 50214 states and 68316 transitions. [2022-12-13 12:33:38,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2022-12-13 12:33:38,486 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:33:38,487 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 10, 10, 10, 10, 10, 10, 7, 7, 7, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:33:38,487 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-12-13 12:33:38,487 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 12:33:38,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:33:38,487 INFO L85 PathProgramCache]: Analyzing trace with hash -702481130, now seen corresponding path program 1 times [2022-12-13 12:33:38,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:33:38,488 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [891650228] [2022-12-13 12:33:38,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:33:38,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:33:38,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:38,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 12:33:38,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:38,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:33:38,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:38,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 12:33:38,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:38,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:33:38,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:38,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 12:33:38,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:38,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:33:38,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:38,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 12:33:38,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:38,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:33:38,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:38,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 12:33:38,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:38,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:33:38,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:38,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 12:33:38,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:38,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:33:38,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:38,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 12:33:38,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:38,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:33:38,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:38,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 12:33:38,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:38,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:33:38,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:38,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 12:33:38,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:38,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:33:38,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:38,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 12:33:38,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:38,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:33:38,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:38,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-12-13 12:33:38,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:38,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-12-13 12:33:38,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:38,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-12-13 12:33:38,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:38,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-12-13 12:33:38,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:38,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-12-13 12:33:38,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:38,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-12-13 12:33:38,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:38,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:33:38,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:38,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-12-13 12:33:38,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:38,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-12-13 12:33:38,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:38,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-12-13 12:33:38,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:38,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:33:38,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:38,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 12:33:38,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:38,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 12:33:38,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:38,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-12-13 12:33:38,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:38,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-12-13 12:33:38,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:38,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-12-13 12:33:38,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:38,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-12-13 12:33:38,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:38,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-12-13 12:33:38,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:38,768 INFO L134 CoverageAnalysis]: Checked inductivity of 796 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 765 trivial. 0 not checked. [2022-12-13 12:33:38,768 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:33:38,768 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [891650228] [2022-12-13 12:33:38,768 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [891650228] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:33:38,768 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:33:38,768 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 12:33:38,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024692799] [2022-12-13 12:33:38,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:33:38,769 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 12:33:38,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:33:38,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 12:33:38,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 12:33:38,770 INFO L87 Difference]: Start difference. First operand 50214 states and 68316 transitions. Second operand has 4 states, 4 states have (on average 27.75) internal successors, (111), 3 states have internal predecessors, (111), 3 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-12-13 12:33:45,444 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:33:48,104 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:33:49,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:33:49,933 INFO L93 Difference]: Finished difference Result 112838 states and 153732 transitions. [2022-12-13 12:33:49,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 12:33:49,935 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 27.75) internal successors, (111), 3 states have internal predecessors, (111), 3 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 278 [2022-12-13 12:33:49,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:33:50,137 INFO L225 Difference]: With dead ends: 112838 [2022-12-13 12:33:50,137 INFO L226 Difference]: Without dead ends: 62718 [2022-12-13 12:33:50,225 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 12:33:50,226 INFO L413 NwaCegarLoop]: 2310 mSDtfsCounter, 1792 mSDsluCounter, 2536 mSDsCounter, 0 mSdLazyCounter, 2027 mSolverCounterSat, 509 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2056 SdHoareTripleChecker+Valid, 4846 SdHoareTripleChecker+Invalid, 2538 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 509 IncrementalHoareTripleChecker+Valid, 2027 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2022-12-13 12:33:50,226 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2056 Valid, 4846 Invalid, 2538 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [509 Valid, 2027 Invalid, 2 Unknown, 0 Unchecked, 6.9s Time] [2022-12-13 12:33:50,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62718 states. [2022-12-13 12:33:53,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62718 to 62466. [2022-12-13 12:33:53,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62466 states, 45235 states have (on average 1.2229910467558307) internal successors, (55322), 46006 states have internal predecessors, (55322), 13086 states have call successors, (13086), 4145 states have call predecessors, (13086), 4143 states have return successors, (16362), 12758 states have call predecessors, (16362), 13086 states have call successors, (16362) [2022-12-13 12:33:54,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62466 states to 62466 states and 84770 transitions. [2022-12-13 12:33:54,108 INFO L78 Accepts]: Start accepts. Automaton has 62466 states and 84770 transitions. Word has length 278 [2022-12-13 12:33:54,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:33:54,108 INFO L495 AbstractCegarLoop]: Abstraction has 62466 states and 84770 transitions. [2022-12-13 12:33:54,108 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.75) internal successors, (111), 3 states have internal predecessors, (111), 3 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-12-13 12:33:54,109 INFO L276 IsEmpty]: Start isEmpty. Operand 62466 states and 84770 transitions. [2022-12-13 12:33:54,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2022-12-13 12:33:54,112 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:33:54,112 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 11, 11, 11, 11, 11, 11, 9, 9, 9, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:33:54,113 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-12-13 12:33:54,113 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 12:33:54,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:33:54,113 INFO L85 PathProgramCache]: Analyzing trace with hash 1191818091, now seen corresponding path program 1 times [2022-12-13 12:33:54,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:33:54,113 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1069288547] [2022-12-13 12:33:54,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:33:54,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:33:54,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:54,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 12:33:54,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:54,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:33:54,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:54,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 12:33:54,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:54,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:33:54,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:54,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 12:33:54,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:54,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:33:54,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:54,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 12:33:54,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:54,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:33:54,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:54,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 12:33:54,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:54,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:33:54,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:54,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 12:33:54,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:54,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:33:54,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:54,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 12:33:54,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:54,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:33:54,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:54,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 12:33:54,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:54,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:33:54,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:54,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 12:33:54,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:54,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:33:54,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:54,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 12:33:54,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:54,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:33:54,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:54,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-12-13 12:33:54,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:54,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-12-13 12:33:54,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:54,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-12-13 12:33:54,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:54,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-12-13 12:33:54,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:54,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-12-13 12:33:54,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:54,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-12-13 12:33:54,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:54,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:33:54,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:54,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-12-13 12:33:54,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:54,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-12-13 12:33:54,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:54,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-12-13 12:33:54,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:54,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:33:54,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:54,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 12:33:54,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:54,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 12:33:54,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:54,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-12-13 12:33:54,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:54,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-12-13 12:33:54,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:54,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-12-13 12:33:54,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:54,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-12-13 12:33:54,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:54,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:33:54,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:54,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:33:54,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:54,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2022-12-13 12:33:54,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:54,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:33:54,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:54,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-12-13 12:33:54,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:54,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2022-12-13 12:33:54,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:54,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-12-13 12:33:54,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:54,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2022-12-13 12:33:54,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:54,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2022-12-13 12:33:54,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:54,491 INFO L134 CoverageAnalysis]: Checked inductivity of 1123 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 1072 trivial. 0 not checked. [2022-12-13 12:33:54,491 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:33:54,491 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1069288547] [2022-12-13 12:33:54,491 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1069288547] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:33:54,491 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:33:54,491 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 12:33:54,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1120483147] [2022-12-13 12:33:54,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:33:54,492 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 12:33:54,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:33:54,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 12:33:54,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-13 12:33:54,492 INFO L87 Difference]: Start difference. First operand 62466 states and 84770 transitions. Second operand has 5 states, 5 states have (on average 25.4) internal successors, (127), 3 states have internal predecessors, (127), 3 states have call successors, (37), 4 states have call predecessors, (37), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2022-12-13 12:34:03,624 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:34:05,635 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:34:07,667 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:34:12,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:34:12,231 INFO L93 Difference]: Finished difference Result 138284 states and 188468 transitions. [2022-12-13 12:34:12,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 12:34:12,231 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 25.4) internal successors, (127), 3 states have internal predecessors, (127), 3 states have call successors, (37), 4 states have call predecessors, (37), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) Word has length 344 [2022-12-13 12:34:12,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:34:12,478 INFO L225 Difference]: With dead ends: 138284 [2022-12-13 12:34:12,478 INFO L226 Difference]: Without dead ends: 75912 [2022-12-13 12:34:12,589 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-12-13 12:34:12,590 INFO L413 NwaCegarLoop]: 2185 mSDtfsCounter, 1809 mSDsluCounter, 3404 mSDsCounter, 0 mSdLazyCounter, 3056 mSolverCounterSat, 561 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2076 SdHoareTripleChecker+Valid, 5589 SdHoareTripleChecker+Invalid, 3619 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 561 IncrementalHoareTripleChecker+Valid, 3056 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.4s IncrementalHoareTripleChecker+Time [2022-12-13 12:34:12,590 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2076 Valid, 5589 Invalid, 3619 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [561 Valid, 3056 Invalid, 2 Unknown, 0 Unchecked, 11.4s Time] [2022-12-13 12:34:12,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75912 states. [2022-12-13 12:34:18,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75912 to 74012. [2022-12-13 12:34:18,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74012 states, 53697 states have (on average 1.2235320408961394) internal successors, (65700), 54602 states have internal predecessors, (65700), 15428 states have call successors, (15428), 4885 states have call predecessors, (15428), 4885 states have return successors, (19348), 15048 states have call predecessors, (19348), 15428 states have call successors, (19348) [2022-12-13 12:34:18,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74012 states to 74012 states and 100476 transitions. [2022-12-13 12:34:18,768 INFO L78 Accepts]: Start accepts. Automaton has 74012 states and 100476 transitions. Word has length 344 [2022-12-13 12:34:18,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:34:18,769 INFO L495 AbstractCegarLoop]: Abstraction has 74012 states and 100476 transitions. [2022-12-13 12:34:18,769 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.4) internal successors, (127), 3 states have internal predecessors, (127), 3 states have call successors, (37), 4 states have call predecessors, (37), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2022-12-13 12:34:18,769 INFO L276 IsEmpty]: Start isEmpty. Operand 74012 states and 100476 transitions. [2022-12-13 12:34:18,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2022-12-13 12:34:18,775 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:34:18,775 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 11, 11, 11, 11, 11, 11, 9, 9, 9, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:34:18,775 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-12-13 12:34:18,775 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 12:34:18,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:34:18,776 INFO L85 PathProgramCache]: Analyzing trace with hash 1151143341, now seen corresponding path program 1 times [2022-12-13 12:34:18,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:34:18,776 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1013114476] [2022-12-13 12:34:18,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:34:18,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:34:18,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:34:18,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 12:34:18,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:34:18,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:34:18,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:34:18,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 12:34:18,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:34:18,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:34:18,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:34:18,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 12:34:18,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:34:18,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:34:19,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:34:19,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 12:34:19,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:34:19,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:34:19,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:34:19,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 12:34:19,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:34:19,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:34:19,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:34:19,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 12:34:19,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:34:19,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:34:19,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:34:19,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 12:34:19,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:34:19,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:34:19,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:34:19,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 12:34:19,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:34:19,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:34:19,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:34:19,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 12:34:19,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:34:19,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:34:19,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:34:19,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 12:34:19,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:34:19,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:34:19,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:34:19,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-12-13 12:34:19,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:34:19,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-12-13 12:34:19,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:34:19,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-12-13 12:34:19,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:34:19,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-12-13 12:34:19,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:34:19,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-12-13 12:34:19,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:34:19,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-12-13 12:34:19,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:34:19,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:34:19,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:34:19,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-12-13 12:34:19,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:34:19,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-12-13 12:34:19,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:34:19,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-12-13 12:34:19,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:34:19,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:34:19,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:34:19,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 12:34:19,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:34:19,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 12:34:19,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:34:19,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-12-13 12:34:19,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:34:19,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-12-13 12:34:19,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:34:19,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-12-13 12:34:19,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:34:19,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-12-13 12:34:19,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:34:19,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:34:19,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:34:19,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:34:19,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:34:19,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2022-12-13 12:34:19,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:34:19,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:34:19,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:34:19,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-12-13 12:34:19,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:34:19,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2022-12-13 12:34:19,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:34:19,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-12-13 12:34:19,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:34:19,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2022-12-13 12:34:19,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:34:19,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2022-12-13 12:34:19,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:34:19,188 INFO L134 CoverageAnalysis]: Checked inductivity of 1123 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 1072 trivial. 0 not checked. [2022-12-13 12:34:19,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:34:19,188 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1013114476] [2022-12-13 12:34:19,188 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1013114476] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:34:19,188 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:34:19,188 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 12:34:19,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1746105175] [2022-12-13 12:34:19,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:34:19,189 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 12:34:19,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:34:19,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 12:34:19,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-13 12:34:19,189 INFO L87 Difference]: Start difference. First operand 74012 states and 100476 transitions. Second operand has 5 states, 5 states have (on average 25.4) internal successors, (127), 3 states have internal predecessors, (127), 3 states have call successors, (37), 4 states have call predecessors, (37), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2022-12-13 12:34:28,632 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:34:30,659 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:34:35,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:34:35,212 INFO L93 Difference]: Finished difference Result 161492 states and 220152 transitions. [2022-12-13 12:34:35,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 12:34:35,214 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 25.4) internal successors, (127), 3 states have internal predecessors, (127), 3 states have call successors, (37), 4 states have call predecessors, (37), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) Word has length 344 [2022-12-13 12:34:35,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:34:35,454 INFO L225 Difference]: With dead ends: 161492 [2022-12-13 12:34:35,454 INFO L226 Difference]: Without dead ends: 87574 [2022-12-13 12:34:35,593 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-12-13 12:34:35,594 INFO L413 NwaCegarLoop]: 2515 mSDtfsCounter, 2121 mSDsluCounter, 2682 mSDsCounter, 0 mSdLazyCounter, 2209 mSolverCounterSat, 915 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2388 SdHoareTripleChecker+Valid, 5197 SdHoareTripleChecker+Invalid, 3126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 915 IncrementalHoareTripleChecker+Valid, 2209 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.2s IncrementalHoareTripleChecker+Time [2022-12-13 12:34:35,594 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2388 Valid, 5197 Invalid, 3126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [915 Valid, 2209 Invalid, 2 Unknown, 0 Unchecked, 8.2s Time] [2022-12-13 12:34:35,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87574 states. [2022-12-13 12:34:42,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87574 to 85366. [2022-12-13 12:34:42,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85366 states, 61999 states have (on average 1.2239874836690914) internal successors, (75886), 63038 states have internal predecessors, (75886), 17754 states have call successors, (17754), 5609 states have call predecessors, (17754), 5611 states have return successors, (22318), 17322 states have call predecessors, (22318), 17754 states have call successors, (22318) [2022-12-13 12:34:42,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85366 states to 85366 states and 115958 transitions. [2022-12-13 12:34:42,629 INFO L78 Accepts]: Start accepts. Automaton has 85366 states and 115958 transitions. Word has length 344 [2022-12-13 12:34:42,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:34:42,629 INFO L495 AbstractCegarLoop]: Abstraction has 85366 states and 115958 transitions. [2022-12-13 12:34:42,630 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.4) internal successors, (127), 3 states have internal predecessors, (127), 3 states have call successors, (37), 4 states have call predecessors, (37), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2022-12-13 12:34:42,630 INFO L276 IsEmpty]: Start isEmpty. Operand 85366 states and 115958 transitions. [2022-12-13 12:34:42,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 382 [2022-12-13 12:34:42,634 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:34:42,635 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 11, 11, 11, 11, 11, 11, 10, 10, 10, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:34:42,635 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-12-13 12:34:42,635 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 12:34:42,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:34:42,635 INFO L85 PathProgramCache]: Analyzing trace with hash 836964209, now seen corresponding path program 1 times [2022-12-13 12:34:42,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:34:42,635 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544571597] [2022-12-13 12:34:42,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:34:42,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:34:42,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:34:42,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 12:34:42,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:34:42,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:34:42,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:34:42,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 12:34:42,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:34:42,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:34:42,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:34:42,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 12:34:42,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:34:42,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:34:42,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:34:42,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 12:34:42,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:34:42,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:34:42,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:34:42,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 12:34:42,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:34:42,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:34:42,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:34:42,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 12:34:42,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:34:42,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:34:42,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:34:42,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 12:34:42,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:34:42,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:34:42,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:34:42,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 12:34:42,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:34:42,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:34:42,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:34:42,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 12:34:42,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:34:42,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:34:42,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:34:42,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 12:34:42,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:34:42,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:34:42,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:34:42,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-12-13 12:34:42,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:34:42,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-12-13 12:34:42,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:34:42,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-12-13 12:34:42,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:34:42,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-12-13 12:34:42,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:34:42,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-12-13 12:34:42,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:34:42,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-12-13 12:34:42,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:34:42,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:34:42,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:34:42,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-12-13 12:34:42,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:34:42,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-12-13 12:34:42,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:34:42,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-12-13 12:34:42,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:34:42,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:34:42,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:34:42,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 12:34:42,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:34:42,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 12:34:42,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:34:42,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-12-13 12:34:42,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:34:42,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-12-13 12:34:42,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:34:42,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-12-13 12:34:42,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:34:42,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-12-13 12:34:42,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:34:42,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:34:42,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:34:42,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:34:42,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:34:42,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2022-12-13 12:34:42,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:34:42,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:34:42,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:34:42,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-12-13 12:34:42,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:34:42,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2022-12-13 12:34:42,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:34:42,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2022-12-13 12:34:42,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:34:42,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2022-12-13 12:34:42,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:34:42,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:34:42,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:34:42,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2022-12-13 12:34:42,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:34:42,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2022-12-13 12:34:42,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:34:42,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2022-12-13 12:34:42,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:34:42,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2022-12-13 12:34:42,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:34:42,998 INFO L134 CoverageAnalysis]: Checked inductivity of 1338 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 1267 trivial. 0 not checked. [2022-12-13 12:34:42,999 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:34:42,999 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1544571597] [2022-12-13 12:34:42,999 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1544571597] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:34:42,999 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:34:42,999 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 12:34:42,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971172975] [2022-12-13 12:34:42,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:34:42,999 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 12:34:42,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:34:43,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 12:34:43,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-12-13 12:34:43,000 INFO L87 Difference]: Start difference. First operand 85366 states and 115958 transitions. Second operand has 7 states, 7 states have (on average 19.142857142857142) internal successors, (134), 4 states have internal predecessors, (134), 3 states have call successors, (40), 4 states have call predecessors, (40), 2 states have return successors, (36), 4 states have call predecessors, (36), 3 states have call successors, (36) [2022-12-13 12:34:53,499 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:34:55,981 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:35:00,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:35:00,679 INFO L93 Difference]: Finished difference Result 184492 states and 251517 transitions. [2022-12-13 12:35:00,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 12:35:00,681 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 19.142857142857142) internal successors, (134), 4 states have internal predecessors, (134), 3 states have call successors, (40), 4 states have call predecessors, (40), 2 states have return successors, (36), 4 states have call predecessors, (36), 3 states have call successors, (36) Word has length 381 [2022-12-13 12:35:00,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:35:01,028 INFO L225 Difference]: With dead ends: 184492 [2022-12-13 12:35:01,028 INFO L226 Difference]: Without dead ends: 99220 [2022-12-13 12:35:01,184 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-12-13 12:35:01,185 INFO L413 NwaCegarLoop]: 2520 mSDtfsCounter, 2250 mSDsluCounter, 7007 mSDsCounter, 0 mSdLazyCounter, 4530 mSolverCounterSat, 953 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2496 SdHoareTripleChecker+Valid, 9527 SdHoareTripleChecker+Invalid, 5485 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 953 IncrementalHoareTripleChecker+Valid, 4530 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.9s IncrementalHoareTripleChecker+Time [2022-12-13 12:35:01,185 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2496 Valid, 9527 Invalid, 5485 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [953 Valid, 4530 Invalid, 2 Unknown, 0 Unchecked, 8.9s Time] [2022-12-13 12:35:01,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99220 states. [2022-12-13 12:35:08,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99220 to 96672. [2022-12-13 12:35:08,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96672 states, 70237 states have (on average 1.224539772484588) internal successors, (86008), 71410 states have internal predecessors, (86008), 20080 states have call successors, (20080), 6333 states have call predecessors, (20080), 6353 states have return successors, (25304), 19612 states have call predecessors, (25304), 20080 states have call successors, (25304) [2022-12-13 12:35:09,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96672 states to 96672 states and 131392 transitions. [2022-12-13 12:35:09,243 INFO L78 Accepts]: Start accepts. Automaton has 96672 states and 131392 transitions. Word has length 381 [2022-12-13 12:35:09,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:35:09,243 INFO L495 AbstractCegarLoop]: Abstraction has 96672 states and 131392 transitions. [2022-12-13 12:35:09,244 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 19.142857142857142) internal successors, (134), 4 states have internal predecessors, (134), 3 states have call successors, (40), 4 states have call predecessors, (40), 2 states have return successors, (36), 4 states have call predecessors, (36), 3 states have call successors, (36) [2022-12-13 12:35:09,244 INFO L276 IsEmpty]: Start isEmpty. Operand 96672 states and 131392 transitions. [2022-12-13 12:35:09,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 383 [2022-12-13 12:35:09,249 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:35:09,249 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 11, 11, 11, 11, 11, 11, 10, 10, 10, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:35:09,249 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-12-13 12:35:09,249 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 12:35:09,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:35:09,250 INFO L85 PathProgramCache]: Analyzing trace with hash -1813789199, now seen corresponding path program 1 times [2022-12-13 12:35:09,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:35:09,250 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [548651434] [2022-12-13 12:35:09,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:35:09,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:35:09,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:09,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 12:35:09,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:09,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:35:09,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:09,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 12:35:09,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:09,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:35:09,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:09,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 12:35:09,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:09,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:35:09,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:09,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 12:35:09,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:09,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:35:09,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:09,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 12:35:09,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:09,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:35:09,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:09,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 12:35:09,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:09,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:35:09,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:09,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 12:35:09,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:09,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:35:09,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:09,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 12:35:09,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:09,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:35:09,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:09,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 12:35:09,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:09,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:35:09,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:09,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 12:35:09,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:09,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:35:09,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:09,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-12-13 12:35:09,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:09,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-12-13 12:35:09,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:09,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-12-13 12:35:09,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:09,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-12-13 12:35:09,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:09,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-12-13 12:35:09,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:09,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-12-13 12:35:09,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:09,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:35:09,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:09,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-12-13 12:35:09,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:09,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-12-13 12:35:09,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:09,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-12-13 12:35:09,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:09,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:35:09,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:09,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 12:35:09,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:09,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 12:35:09,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:09,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-12-13 12:35:09,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:09,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-12-13 12:35:09,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:09,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-12-13 12:35:09,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:09,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-12-13 12:35:09,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:09,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:35:09,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:09,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:35:09,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:09,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2022-12-13 12:35:09,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:09,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:35:09,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:09,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-12-13 12:35:09,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:09,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2022-12-13 12:35:09,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:09,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2022-12-13 12:35:09,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:09,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2022-12-13 12:35:09,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:09,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:35:09,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:09,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2022-12-13 12:35:09,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:09,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2022-12-13 12:35:09,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:09,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2022-12-13 12:35:09,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:09,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2022-12-13 12:35:09,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:09,576 INFO L134 CoverageAnalysis]: Checked inductivity of 1338 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 1308 trivial. 0 not checked. [2022-12-13 12:35:09,577 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:35:09,577 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [548651434] [2022-12-13 12:35:09,577 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [548651434] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:35:09,577 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:35:09,577 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 12:35:09,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [344820648] [2022-12-13 12:35:09,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:35:09,577 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 12:35:09,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:35:09,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 12:35:09,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-13 12:35:09,578 INFO L87 Difference]: Start difference. First operand 96672 states and 131392 transitions. Second operand has 5 states, 5 states have (on average 24.8) internal successors, (124), 3 states have internal predecessors, (124), 3 states have call successors, (39), 4 states have call predecessors, (39), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2022-12-13 12:35:19,564 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:35:22,085 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:35:28,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:35:28,311 INFO L93 Difference]: Finished difference Result 225480 states and 306877 transitions. [2022-12-13 12:35:28,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 12:35:28,313 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 24.8) internal successors, (124), 3 states have internal predecessors, (124), 3 states have call successors, (39), 4 states have call predecessors, (39), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) Word has length 382 [2022-12-13 12:35:28,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:35:28,734 INFO L225 Difference]: With dead ends: 225480 [2022-12-13 12:35:28,734 INFO L226 Difference]: Without dead ends: 128902 [2022-12-13 12:35:28,920 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-12-13 12:35:28,921 INFO L413 NwaCegarLoop]: 2295 mSDtfsCounter, 1952 mSDsluCounter, 2467 mSDsCounter, 0 mSdLazyCounter, 2265 mSolverCounterSat, 920 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2200 SdHoareTripleChecker+Valid, 4762 SdHoareTripleChecker+Invalid, 3187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 920 IncrementalHoareTripleChecker+Valid, 2265 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.1s IncrementalHoareTripleChecker+Time [2022-12-13 12:35:28,921 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2200 Valid, 4762 Invalid, 3187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [920 Valid, 2265 Invalid, 2 Unknown, 0 Unchecked, 8.1s Time] [2022-12-13 12:35:29,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128902 states. [2022-12-13 12:35:39,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128902 to 125654. [2022-12-13 12:35:39,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125654 states, 91801 states have (on average 1.2207710155662792) internal successors, (112068), 93298 states have internal predecessors, (112068), 25544 states have call successors, (25544), 8291 states have call predecessors, (25544), 8307 states have return successors, (30804), 24984 states have call predecessors, (30804), 25544 states have call successors, (30804) [2022-12-13 12:35:39,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125654 states to 125654 states and 168416 transitions. [2022-12-13 12:35:39,690 INFO L78 Accepts]: Start accepts. Automaton has 125654 states and 168416 transitions. Word has length 382 [2022-12-13 12:35:39,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:35:39,691 INFO L495 AbstractCegarLoop]: Abstraction has 125654 states and 168416 transitions. [2022-12-13 12:35:39,691 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.8) internal successors, (124), 3 states have internal predecessors, (124), 3 states have call successors, (39), 4 states have call predecessors, (39), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2022-12-13 12:35:39,691 INFO L276 IsEmpty]: Start isEmpty. Operand 125654 states and 168416 transitions. [2022-12-13 12:35:39,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 447 [2022-12-13 12:35:39,699 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:35:39,699 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 14, 14, 14, 14, 14, 14, 12, 12, 12, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:35:39,700 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-12-13 12:35:39,700 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 12:35:39,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:35:39,700 INFO L85 PathProgramCache]: Analyzing trace with hash -994808845, now seen corresponding path program 1 times [2022-12-13 12:35:39,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:35:39,700 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1760339635] [2022-12-13 12:35:39,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:35:39,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:35:39,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:40,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 12:35:40,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:40,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:35:40,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:40,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 12:35:40,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:40,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:35:40,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:40,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 12:35:40,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:40,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:35:40,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:40,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 12:35:40,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:40,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:35:40,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:40,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 12:35:40,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:40,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:35:40,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:40,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 12:35:40,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:40,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:35:40,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:40,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 12:35:40,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:40,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:35:40,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:40,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 12:35:40,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:40,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:35:40,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:40,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 12:35:40,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:40,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:35:40,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:40,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 12:35:40,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:40,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:35:40,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:40,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-12-13 12:35:40,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:40,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-12-13 12:35:40,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:40,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-12-13 12:35:40,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:40,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-12-13 12:35:40,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:40,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-12-13 12:35:40,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:40,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-12-13 12:35:40,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:40,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:35:40,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:40,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-12-13 12:35:40,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:40,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-12-13 12:35:40,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:40,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-12-13 12:35:40,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:40,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:35:40,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:40,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 12:35:40,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:40,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 12:35:40,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:40,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-12-13 12:35:40,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:40,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-12-13 12:35:40,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:40,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-12-13 12:35:40,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:40,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-12-13 12:35:40,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:40,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:35:40,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:40,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:35:40,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:40,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-12-13 12:35:40,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:40,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:35:40,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:40,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-12-13 12:35:40,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:40,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:35:40,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:40,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-12-13 12:35:40,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:40,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 12:35:40,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:40,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-12-13 12:35:40,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:40,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:35:40,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:40,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 12:35:40,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:40,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 12:35:40,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:40,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-12-13 12:35:40,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:40,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-12-13 12:35:40,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:40,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:35:40,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:40,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 12:35:40,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:40,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-12-13 12:35:40,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:40,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-12-13 12:35:40,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:40,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-12-13 12:35:40,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:40,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-12-13 12:35:40,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:40,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-12-13 12:35:40,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:40,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:35:40,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:40,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2022-12-13 12:35:40,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:40,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:35:40,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:40,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 416 [2022-12-13 12:35:40,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:40,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2022-12-13 12:35:40,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:40,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2022-12-13 12:35:40,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:40,605 INFO L134 CoverageAnalysis]: Checked inductivity of 1684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1684 trivial. 0 not checked. [2022-12-13 12:35:40,605 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:35:40,605 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1760339635] [2022-12-13 12:35:40,605 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1760339635] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:35:40,605 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:35:40,605 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-13 12:35:40,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [911292355] [2022-12-13 12:35:40,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:35:40,606 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-13 12:35:40,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:35:40,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-13 12:35:40,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-12-13 12:35:40,607 INFO L87 Difference]: Start difference. First operand 125654 states and 168416 transitions. Second operand has 10 states, 10 states have (on average 15.9) internal successors, (159), 4 states have internal predecessors, (159), 2 states have call successors, (49), 8 states have call predecessors, (49), 1 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) [2022-12-13 12:35:50,632 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:35:52,642 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:35:54,648 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:36:01,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:36:01,701 INFO L93 Difference]: Finished difference Result 129526 states and 176834 transitions. [2022-12-13 12:36:01,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-13 12:36:01,703 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 15.9) internal successors, (159), 4 states have internal predecessors, (159), 2 states have call successors, (49), 8 states have call predecessors, (49), 1 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) Word has length 446 [2022-12-13 12:36:01,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:36:02,050 INFO L225 Difference]: With dead ends: 129526 [2022-12-13 12:36:02,050 INFO L226 Difference]: Without dead ends: 129524 [2022-12-13 12:36:02,091 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=82, Invalid=158, Unknown=0, NotChecked=0, Total=240 [2022-12-13 12:36:02,091 INFO L413 NwaCegarLoop]: 1268 mSDtfsCounter, 2044 mSDsluCounter, 4548 mSDsCounter, 0 mSdLazyCounter, 3195 mSolverCounterSat, 973 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2234 SdHoareTripleChecker+Valid, 5816 SdHoareTripleChecker+Invalid, 4171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 973 IncrementalHoareTripleChecker+Valid, 3195 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.1s IncrementalHoareTripleChecker+Time [2022-12-13 12:36:02,092 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2234 Valid, 5816 Invalid, 4171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [973 Valid, 3195 Invalid, 3 Unknown, 0 Unchecked, 11.1s Time] [2022-12-13 12:36:02,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129524 states. [2022-12-13 12:36:12,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129524 to 126100. [2022-12-13 12:36:12,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126100 states, 92168 states have (on average 1.2181559760437461) internal successors, (112275), 93696 states have internal predecessors, (112275), 25544 states have call successors, (25544), 8291 states have call predecessors, (25544), 8387 states have return successors, (30892), 25032 states have call predecessors, (30892), 25544 states have call successors, (30892) [2022-12-13 12:36:12,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126100 states to 126100 states and 168711 transitions. [2022-12-13 12:36:12,690 INFO L78 Accepts]: Start accepts. Automaton has 126100 states and 168711 transitions. Word has length 446 [2022-12-13 12:36:12,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:36:12,691 INFO L495 AbstractCegarLoop]: Abstraction has 126100 states and 168711 transitions. [2022-12-13 12:36:12,691 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 15.9) internal successors, (159), 4 states have internal predecessors, (159), 2 states have call successors, (49), 8 states have call predecessors, (49), 1 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) [2022-12-13 12:36:12,691 INFO L276 IsEmpty]: Start isEmpty. Operand 126100 states and 168711 transitions. [2022-12-13 12:36:12,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 482 [2022-12-13 12:36:12,709 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:36:12,709 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 14, 14, 14, 14, 14, 14, 13, 13, 13, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:36:12,710 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-12-13 12:36:12,710 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 12:36:12,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:36:12,710 INFO L85 PathProgramCache]: Analyzing trace with hash 1477799778, now seen corresponding path program 1 times [2022-12-13 12:36:12,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:36:12,710 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1768643411] [2022-12-13 12:36:12,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:36:12,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:36:12,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:36:13,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 12:36:13,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:36:13,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:36:13,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:36:13,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 12:36:13,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:36:13,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:36:13,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:36:13,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 12:36:13,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:36:13,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:36:13,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:36:13,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 12:36:13,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:36:13,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:36:13,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:36:13,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 12:36:13,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:36:13,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:36:13,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:36:13,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 12:36:13,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:36:13,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:36:13,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:36:13,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 12:36:13,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:36:13,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:36:13,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:36:13,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 12:36:13,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:36:13,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:36:13,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:36:13,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 12:36:13,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:36:13,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:36:13,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:36:13,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 12:36:13,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:36:13,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:36:13,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:36:13,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-12-13 12:36:13,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:36:13,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-12-13 12:36:13,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:36:13,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-12-13 12:36:13,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:36:13,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-12-13 12:36:13,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:36:13,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-12-13 12:36:13,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:36:13,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-12-13 12:36:13,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:36:13,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:36:13,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:36:13,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-12-13 12:36:13,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:36:13,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-12-13 12:36:13,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:36:13,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-12-13 12:36:13,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:36:13,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:36:13,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:36:13,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 12:36:13,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:36:13,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 12:36:13,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:36:13,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-12-13 12:36:13,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:36:13,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-12-13 12:36:13,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:36:13,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-12-13 12:36:13,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:36:13,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-12-13 12:36:13,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:36:13,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:36:13,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:36:13,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:36:13,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:36:13,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-12-13 12:36:13,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:36:13,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:36:13,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:36:13,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-12-13 12:36:13,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:36:13,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:36:13,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:36:13,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-12-13 12:36:13,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:36:13,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 12:36:13,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:36:13,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-12-13 12:36:13,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:36:13,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:36:13,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:36:13,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 12:36:13,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:36:13,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 12:36:13,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:36:13,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-12-13 12:36:13,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:36:13,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-12-13 12:36:13,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:36:13,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:36:13,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:36:13,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 12:36:13,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:36:13,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-12-13 12:36:13,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:36:13,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-12-13 12:36:13,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:36:13,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-12-13 12:36:13,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:36:13,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-12-13 12:36:13,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:36:13,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-12-13 12:36:13,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:36:13,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:36:13,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:36:13,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2022-12-13 12:36:13,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:36:13,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:36:13,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:36:13,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 416 [2022-12-13 12:36:13,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:36:13,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2022-12-13 12:36:13,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:36:13,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2022-12-13 12:36:13,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:36:13,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2022-12-13 12:36:13,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:36:13,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-12-13 12:36:13,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:36:13,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-12-13 12:36:13,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:36:13,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2022-12-13 12:36:13,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:36:13,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 460 [2022-12-13 12:36:13,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:36:13,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 465 [2022-12-13 12:36:13,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:36:13,359 INFO L134 CoverageAnalysis]: Checked inductivity of 1735 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1735 trivial. 0 not checked. [2022-12-13 12:36:13,359 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:36:13,359 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1768643411] [2022-12-13 12:36:13,359 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1768643411] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:36:13,359 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:36:13,360 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-12-13 12:36:13,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [836415315] [2022-12-13 12:36:13,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:36:13,360 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-12-13 12:36:13,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:36:13,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-12-13 12:36:13,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2022-12-13 12:36:13,362 INFO L87 Difference]: Start difference. First operand 126100 states and 168711 transitions. Second operand has 11 states, 10 states have (on average 17.7) internal successors, (177), 4 states have internal predecessors, (177), 3 states have call successors, (55), 9 states have call predecessors, (55), 2 states have return successors, (53), 2 states have call predecessors, (53), 3 states have call successors, (53) [2022-12-13 12:36:24,922 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:36:26,930 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:36:34,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:36:34,317 INFO L93 Difference]: Finished difference Result 129524 states and 176673 transitions. [2022-12-13 12:36:34,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 12:36:34,318 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 17.7) internal successors, (177), 4 states have internal predecessors, (177), 3 states have call successors, (55), 9 states have call predecessors, (55), 2 states have return successors, (53), 2 states have call predecessors, (53), 3 states have call successors, (53) Word has length 481 [2022-12-13 12:36:34,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:36:34,323 INFO L225 Difference]: With dead ends: 129524 [2022-12-13 12:36:34,323 INFO L226 Difference]: Without dead ends: 0 [2022-12-13 12:36:34,495 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=121, Invalid=259, Unknown=0, NotChecked=0, Total=380 [2022-12-13 12:36:34,496 INFO L413 NwaCegarLoop]: 944 mSDtfsCounter, 1240 mSDsluCounter, 4753 mSDsCounter, 0 mSdLazyCounter, 5563 mSolverCounterSat, 837 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1321 SdHoareTripleChecker+Valid, 5697 SdHoareTripleChecker+Invalid, 6402 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 837 IncrementalHoareTripleChecker+Valid, 5563 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.4s IncrementalHoareTripleChecker+Time [2022-12-13 12:36:34,496 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1321 Valid, 5697 Invalid, 6402 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [837 Valid, 5563 Invalid, 2 Unknown, 0 Unchecked, 10.4s Time] [2022-12-13 12:36:34,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-13 12:36:34,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-13 12:36:34,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 12:36:34,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-13 12:36:34,503 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 481 [2022-12-13 12:36:34,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:36:34,504 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 12:36:34,504 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 17.7) internal successors, (177), 4 states have internal predecessors, (177), 3 states have call successors, (55), 9 states have call predecessors, (55), 2 states have return successors, (53), 2 states have call predecessors, (53), 3 states have call successors, (53) [2022-12-13 12:36:34,504 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-13 12:36:34,504 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-13 12:36:34,506 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2022-12-13 12:36:34,507 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 3 remaining) [2022-12-13 12:36:34,507 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 3 remaining) [2022-12-13 12:36:34,507 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-12-13 12:36:34,509 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-13 12:40:21,581 WARN L233 SmtUtils]: Spent 35.72s on a formula simplification. DAG size of input: 1619 DAG size of output: 41 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2022-12-13 12:41:31,069 WARN L233 SmtUtils]: Spent 35.14s on a formula simplification. DAG size of input: 1619 DAG size of output: 41 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2022-12-13 12:42:46,031 WARN L233 SmtUtils]: Spent 36.03s on a formula simplification. DAG size of input: 1619 DAG size of output: 41 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2022-12-13 12:43:45,184 WARN L233 SmtUtils]: Spent 36.97s on a formula simplification. DAG size of input: 1619 DAG size of output: 41 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter)